PUBLICATIONS AND REPORTS MEETING PAPERS PRESENTED Psychonomic Society Meeting, Chicago, Illinois Sept. 1-3, 1960 K. N. Stevens, T. speechlike sounds T. Sandel, and A. S. House, American Psychological Association Sept. 1-7, 1960 R. R. J. Melzack, Spots, specificity, The learning of ensembles of 1960 Annual Convention, Chicago, Illinois and von Frey (invited) A. Swets, Detection theory and psychophysics: La Semaine neurophysiologique de la Salp6tri're, Sept. 7, 1960 A review (invited) Paris W. S. McCulloch, A proper logic for neurology (invited) Physical Society Acoustics Group Symposium on Sound Propagation in the Atmosphere, Imperial College, South Kensington, London Sept. 8-9, 1960 U. Ingard, Some experiments on sound propagation in the atmosphere (invited) Bionics Symposium, Sept. 13-15, 1960 M. Wright-Patterson Air Force Base, Ohio Blum, The construction of reliable circuits using unreliable neurons (invited) J. D. Cowan, Toward a proper logic for parallel computation in the presence of noise (invited) L. Stark, Signal and noise in the human pupil servomechanism (invited) L. A. M. Verbeek, Reliable computation with unreliable circuitry (invited) University Extension Statewide Series of Lectures on Microelectronic Engineering, University of California, San Diego, Sept. 26; Los Angeles, Sept. 27; Corona, Sept. 28; Palo Alto, Sept. 29, 1960 W. S. McCulloch, The human brain (invited) American Academy of Ophthalmology and Otolaryngology Meeting, Chicago, Oct. 9-14, 1960 Illinois N. Y-S. Kiang, The use of computers in studies of auditory neurophysiology (invited) MEETING PAPERS PRESENTED (continued) Thirteenth Annual Gaseous Electronics Conference, Monterey, California Oct. 10-12, 1960 C. Michelson and D. J. D. J. Naval Postgraduate School, Rose, Hollow-cathode highly ionized discharge. Rose, Hollow-cathode highly ionized discharge. Lecture, Department of Physiology, Oct. 14, 1960 I. II. University of Wisconsin, Madison, Wisconsin W. S. McCulloch, A proper logic for neurophysiology (invited) Lecture, Communications Center, Oct. 18, 1960 W. S. McCulloch, University of Michigan, Ann Arbor, Michigan The human brain (invited) Rand Corporation-University of California Symposium on Mathematical Optimization Techniques, Santa Monica, California Oct. 18-20, 1960 T. Kailath and R. Price, Adaptive matched filters (invited) Sixtieth Meeting, Acoustical Society of America, Oct. 20-22, 1960 San Francisco, California P. T. Brady, Perception of speechlike sounds characterized by a rapidly changing resonant frequency O. Fujimura, Spectrum matching of nasal consonants H. Fujisaki, Automatic extraction of fundamental period of speech by autocorrelation analysis and peak detection D. M. noise J. Green, The effects of a background standard on the detection of a signal M. Heinz, Spectrum matching of fricative consonants A. S. House, K. N. Stevens, and H. Fujisaki, Automatic measurement of the formants of vowels in diverse consonantal environments Northern New Jersey Section IRE Meeting, Oct. 25, 1960 M. W. P. Strandberg, Montclair, New Jersey Masers (invited) xiii MEETING PAPERS PRESENTED (continued) Conference on Computer Techniques in EEG Analysis, Brain Research Institute, University of California, Los Angeles, California Oct. 29-30, 1960 J. S. Barlow, Correlation techniques in EEG analysis (invited) W. A. Clark, Jr., Digital averaging techniques (invited) B. Farley, Recognition of patterns in the EEG (invited) G. L. Gerstein, Neuron firing patterns and the slow potentials (invited) M. H. Goldstein, Jr., Averaging techniques applied to evoked responses (invited) W. A. Rosenblith, Critical commentary (invited) Thirty-sixth Annual Convention of American Speech and Hearing Association, Los Angeles, California Nov. 1-5, 1960 A. S. House, C. G. Bell, H. Fujisaki, J. M. Heinz, and K. N. Stevens, Automatic reduction of speech signals by a digital computer: Application of principles of analysis-by- synthesis A. S. House, H. Fujisaki, and K. N. Stevens, measured by a digital computer program Formant frequencies of vowels Second Annual Meeting, Division of Plasma Physics, American Physical Society, Gatlinburg, Tennessee Nov. 2-5, 1960 G. Bekefi, J. L. Hirshfield, and S. C. with non-Maxwellian distributions Brown, Cyclotron emission from plasmas 1960 Brookhaven Conference on Molecular Beams, Brookhaven National Laboratory, Upton, New York Nov. 3-5, 1960 H. H. Stroke, Configuration mixing and the effects of distributed nuclear magnetization on hyperfine structure in odd A nuclei (invited) Society of Industrial and Applied Mathematics Meeting, University of Pennsylvania, Philadelphia, Pennsylvania Nov. 5, 1960 A. L. Loeb, Crystalgebra and moduledra, A problem in pattern recognition xiv MEETING PAPERS PRESENTED Annual Meeting of the Division of Fluid Dynamics, Baltimore, Maryland Nov. 21-23, 1960 (continued) American Institute of Physics, R. C. Gesteland, B. Howland, W. H. Pitts, and A. S. Richardson, Jr., Use of luminescence for visualizing fields of flow W. D. Jackson, Measurement of motionally induced voltage in some magnetohydrodynamic channel flows American Physical Society 1960 Thanksgiving Meeting, Chicago, Illinois Nov. 25-26, 1960 R. J. Hull and H. H. Stroke, thallium 199 and 200 Hyperfine structure and isotope shift in radio- R. H. Kohler, Heavy absorption of a spectral line American Institute of Electrical Engineers and Institute of Radio Engineers Student Branch Meeting, Massachusetts Institute of Technology Nov. 28, 1960 M. H. Goldstein, Jr., The role of communication engineering in studies of the nervous system (invited) The Symposium on Flow Visualization, American Society of Mechanical Engineers Annual Meeting, New York Nov. 30, 1960 R. C. Gesteland, Comments on the electrochemical technique of flow visualization (invited) JOURNAL ARTICLES ACCEPTED FOR PUBLICATION (Reprints, if available, may be obtained from the Document Room, 26-327, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge 39, Massachusetts.) W. P. Allis, Propagation of waves in a plasma in a magnetic field (Trans. IRE, PGMTT) G. Ascarelli and S. C. Brown, germanium (Phys. Rev.) Recombination of electrons and donors in n-type E. J. Baghdady, Linear cancellation technique for suppressing impulse noise (IRE WESCON Convention Record, Part 7, 1960) JOURNAL ARTICLES ACCEPTED FOR PUBLICATION G. Bekefi and S. C. Brown, Microwave measurements plasmas (J. Appl. Phys.) (continued) of the radiation temperature of G. Bekefi, J. L. Hirshfield, and S. C. Brown, Kirchhoff's radiation law for plasmas with non- Maxwellian distributions (Phys. Fluids) S. Castellano and J. S. Waugh, Strong coupling in nuclear response spectra. IV. Exact analysis of three-spin spectra (J. Chem. Phys.) D. M. Dix and L. Y. Cooper, The magnetohydrodynamic Rayleigh problem (Phys. Fluids) D. H. Douglass, Jr. and M. W. P. ganous chloride (Physica) M. Strandberg, Antiferromagnetic resonance in man- Eden, Storage and retrieval of the results of clinical research (Trans. IRE, B. W. Faughnan and M. W. P. Strandberg, relaxation (J. Phys. Chem. Solids) The role of phonons in paramagnetic C. W. Garland and J. Silverman, Analysis of specific heat data for zinc: ) discrepancy (J. Chem. Phys.) of the calorimetric and elastic C. W. Garland and J. (Phys. Rev.) Resolution Silverman, Elastic constants of cadmium from 4. Z2 K to 300*K Thermal noise in dissipative media (J. H. A. Haus, PGME) Appl. Phys.) W. D. Keidel, U. O. Keidel, and N. Y-S. Kiang, Peripheral and cortical responses to mechanical stimulation of the cat's vibrissae (Arch. Internat. Physiol.) R. H. Kohler, Hg 20 1 Detection of double resonance by frequency change: Application to (Phys. Rev.) M. Minsky, Steps toward artificial intelligence (Proc. IRE) H. H. Stroke, High-resolution grating monochromator for simultaneous observation of more than one wavelength (J. Opt. Soc. Am.) R. Weiss, Molecular beam electron bombardment detector (Rev. Sci. Instr.) LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION A. G. Baker, Liquid-contact substrate heat sink (Rev. Sci. Instr.) J. G. King, R. L. Search for a small charge carried by molecules (Phys. Rev. Letters) Kyhl, Correction to "Negative L and C in Solid-State Masers" (Proc. IRE) xvi TECHNICAL REPORTS PUBLISHED (These and previously published technical reports, if available, may be obtained from the Document Room, 26-327, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge 39, Massachusetts.) 355 D. A. 357 R. D. Mattuck and M. W. P. netic Crystals 365 W. T. Peake, An Analytical Study of Electric Responses at the Periphery of the Auditory System 369 V. H. Yngve, A Model and an Hypothesis for Language Structure 374 B. Reiffen, Sequential Encoding and Decoding for the Memoryless Channel 379 W. B. Nottingham and F. L. Torney, Jr., Principles of Ion-Gauge Calibration George, Continuous Nonlinear Systems Strandberg, Spin-Phonon Interaction in Paramag- A Detailed Examination of the SPECIAL PUBLICATIONS M. Eden, A two-dimensional growth process (Fourth Berkeley Symposium on Mathematical Statistics, University of California Press, Berkeley, 1960) U. Ingard, Current problems in noise research (Trans. Swedish Academy of Engineering Sciences (in Swedish)) R. M. Morse and U. Ingard, Acoustic linear theory (HandbuchderPhysik, Vol. 11, 1960) W. B. Nottingham, The thermionic conversion of heat to electricity (Proc. National Conference on Tube Techniques) Fifth J. A. Swets and D. M. Green, Sequential observations by human observers of signals in noise (Information Theory, edited by C. Cherry, Butterworths Scientific Publications, London, 1961) J. S. Waugh, The analysis of nuclear resonance spectra (Proc. Fourth Conference on Molecular Spectroscopy, Bologna, Italy, Sept. 7-12, 1959, Pergamon Press, 1960) xvii