PUBLICATIONS AND REPORTS MEETING PAPERS PRESENTED Symposium on Sonics and Ultrasonics, setts December 1-3, sponsored by IEEE (PGUE), Boston, Massachu- 1965 J. M. Andrews, Jr. and M. W. Heat Pulse Experiments P. Strandberg, Acoustic Dispersion Effects in Plasma Physics Laboratory Seminar, Princeton University, Princeton, New Jersey December 9, 1965 A. Bers, Absolute and Convective Instabilities in Plasmas (invited) Colloquium, Yale University, New Haven, December 10, Connecticut 1965 U. Ingard, Acoustic Wave Generation and Amplification in a Plasma (invited) Seminar, National Bureau of Standards, Washington, D. C. December 14, 1965 C. H. Perry, Study of Crystal Lattice Vibrations for Far Infrared Spectroscopy (invited) 120th Meeting, American Astronomical Society, December 27-30, University of California, Berkeley 1965 S. H. Zisk, Brightness Distributions of Discrete Radio Sources at 2-cm Wavelength American Musicological Society Annual Meeting, Michigan December 29, University of Michigan, Ann Arbor, 1965 A. W. Slawson, The Computer as an Aid to the Composer Symposium of "Philosophy and Linguistics, " Sixty-second Annual Meeting, American Philosophical Association, Eastern Division, New York December 29, J. J. 1965 Katz, The Relevance of Linguistics to Philosophy Institute of Electrical and Electronics Engineers, Alabama Huntsville Section Meeting, Huntsville, January 12, 1966 H. J. Zimmermann, The Vital Role of Electronics in Biological Research (invited) IEEE Industrial Symposium on Information Theory, Los Angeles, California January 31, 1966 R. G. Gallager, Channel Capacity and Coding for Additive Gaussian Noise Channels with Power and Frequency Constraints MEETING PAPERS PRESENTED (continued) New IEEE Informal Conference on Active Microwave Effects in Bulk Seminonductors, York City February 4, 1966 A. Bers and S. R. J. Brueck, Stimulated Emission of Phonons at an Angle to the Applied Magnetic Field (invited) International Solid-State Circuits Conference, Pennsylvania University of Pennsylvania, Philadelphia, February 9-11, 1966 R. P. Rafuse and D. through Varactors H. Steinbrecher, International Symposium on Neutron Noise, of Florida, Gainesville, Florida February 14-16, Harmonic Multiplication with Punch- Waves and Pulse Propagation, University 1966 R. J. Hooper and E. P. Gyftopoulos, On the Measurement of the Characteristic Kernels of a Class of Nonlinear Systems Biophysical Society Tenth Annual Meeting, February 23-25, W. Boston, Massachusetts 1966 M. Siebert, Signals and Noise in Primary Auditory Neurons (invited) JOURNAL PAPERS ACCEPTED FOR PUBLICATION (Reprints, if available, may be obtained from the Document Room, 26-327, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.) V. R. Algazi, J. Andrews, M. Useful Approximations to Optimum Quantization (IEEE Trans. Jr. and M. W. P. Strandberg, Thermal Microwave Phonons (CT)) (Proc. IEEE) J. E. Brown and Diane Major, L. J. R. Cat Ganglion Cell Dendritic Fluids (Exptl. Neurol.) Chu, H. A. Haus, and P. Penfield, Jr., Magnetizable Fluids (Proc. IEEE) Geick, C. H. Perry, and G. The Force Density in Polarizable and Rupprecht, Normal Modes in Hexagonal Boron Nitride (Phys. Rev.) R. Geick, W. J. Hakel, and C. H. Perry, Temperature Dependence of the Far Infrared Reflectivity of Magnesium Stannide (Phys. Rev. ) C. W. Garland and C. F. Yarnell, Order-Disorder Phenomena IV. Ultrasonic Attenuation near the Lambda Point in Ammonium Chloride (J. Chem. Phys.) G. G. Hammes and T. B. Lewis, Ultrasonic Absorption in Aqueous Polyethylene Glycol Solutions (J. Phys. Chem.) xvi JOURNAL PAPERS ACCEPTED FOR PUBLICATION H. (continued) King, Field Ionization Detectors for Molecular Beams W. D. Johnston, Jr. and J. (Rev. Sci. Instr.) P. Kolers, Reading and Talking Bilingually (Am. J. Psychol. ) R. G. Little and J. F. Waymouth, Experimentally Determined Plasma Perturbation by a Probe (Phys. Fluids) R. M. R. J. Logan and R. E. Stickney, Simple Classical Model for the Scattering of Gas Atoms from a Solid Surface (J. Chem. Phys. ) Melzack and P. W. D. Wall, Pain Mechanism - A New Theory (Science) Moore, N. Anderson, M. Blaustein, M. Takata, J. Y. Lettvin, W. F. Pickard, T. Bernstein, and J. Pooler, Alkali Cation Selectivity of a Squid Axon Membrane (Ann. N. Y. Acad. Sci.) B. J. Murawski and S. K. Burns, Daily Correlation of Adrenal Steroids and Alpha Frequency in the EEG: A Demonstration (J. Appl. Physiol. ) R. R. Pfeiffer, Classification of Response Patterns of Spike Discharges for Units in the Cochlear Nucleus: Tone-Burst Stimulation (Exptl. Brain Res. ) P. Penfield, Jr. and H. A. Haus, Hamilton's Principle for Electromagnetic Fluids (Phys. Fluids) Barbara G. Pickard and K. V. Thimann, Geotropic Response of Wheat Colaoptiles in the Absence of Amyloplast Starch (J. Gen. Physiol. ) W. A. Rosenblith, Physics and Biology - Where Do They Meet? (Physics Today) A. W. Slawson, Review of "Meta (+) Hodos: A Phenomenology of Twentieth Century Musical Materials and an Approach to the Study of Form" by James Tenney (Inter-American Institute for Musical Research, New Orleans, 1964) (J. Music Theory) D. H. Staelin and A. H. Barrett, Spectral Observations of Venus near 1-Centimeter Wavelength (Astrophys. J. )) D. H. Staelin, Measurements and Interpretation of the Microwave Spectrum of the Terrestrial Atmosphere near 1-Centimeter Wavelength (J. Geophys. Res.) R. E. Stickney, P. B. Sun, and M. L. Shaw, Effect of Thermal and Ultraviolet Radiation on Thermionic Emission from Tungsten (J. Appl. Phys. ) D. S. Thompson, E. E. Hazen, and J. S. Waugh, Electron Paramagnetic Resonance Study of Solutions of Europium in Liquid Ammonia (J. Chem. Phys.) xvii LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION C. Freed and H. A. Haus, Photoelectron Statistics Produced by a Laser Operating below the Threshold of Oscillation (Phys. Rev. Letters) H. B. Lee and R. W. Daniels, A Non-reciprocity Figure of Merit for Passive Resistance Devices (IEEE Trans. (CT)) Electromagnetic Force Density (Proc. IEEE) P. Penfield, Jr., V. Prabhu, Noise Performance of Abrupt-Junction Varactor Frequency Multipliers (Proc. IEEE) D. L. Snyder, Optimum Linear Filtering of an Integrated Signal in White Noise (Trans. IEEE (AES)) 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, Massachusetts 02139.) 441 Aubrey M. Bush, Some Techniques for the Synthesis of Nonlinear Systems SPECIAL TECHNICAL REPORTS PUBLISHED (These monographs are available from The M. I. T. Press, E19-741, Massachusetts Institute of Technology, Cambridge, Massachusetts 02142.) Number 13 Nelson Yuan-sheng Kiang with the assistance of Takeshi Watanabe, Eleanor C. Thomas, and Louise F. Clark, Discharge Patterns of Single Fibers in the Cat's Auditory Nerve (M. I. T. Monograph No. 35) SPECIAL PUBLICATIONS J. S. Barlow, Some Possibilities of the Study of Visual-Oculomotor Processes with the Aid of Oriental Ideograms (invited discussion) (Proc. International Colloquium on Mechanisms of Orienting Reaction in Man, Smolenice and Bratislava, Czechoslovakia, September 11-15, 1965) J. G. Bergman and R. E. Stickney, Effect of Fluorine and Oxygen on Thermionic Emission from Polycrystalline Tungsten (Report on Twenty-sixth Annual Conference on Physical Electronics, Massachusetts Institute of Technology, March 21-23, 1966) xvi1 SPECIAL PUBLICATIONS M. (continued) Eden, Taxonomies of Disease (The Diagnostic Process, edited by John A. Jacquez, Proceedings of a Conference Sponsored by the Biomedical Data Processing Training Program, University of Michigan, Ann Arbor, Michigan, April, 1964) W. Engelmaier and R. E. Stickney, Thermionic and Adsorption Characteristics of a Single-Crystal Tungsten Filament Exposed to Oxygen (Report on Twenty-sixth Annual Conference on Physical Electronics, Massachusetts Institute of Technology, March 21-23, 1966) D. L. Fehrs and R. E. Stickney, Retarding Potential Measurements of the Work Function of Tantalum as a Function of Cesium Coverage (Report on Twenty-sixth Annual Conference on Physical Electronics, Massachusetts Institute of Technology, March 21-23, 1966) H. A. Haus, Model for Force Density in Moving Magnetized Material (1966 IEEE International Convention Record) Katz, The Philosophy of Language (Harper and Row, New York, 1966) J. J. P. Penfield, Jr., and H. A. Haus, "Energy-Momentum Tensor for Electromagnetic Fluids, " in Recent Advances in Engineering Science, pp. 441-492 (Gordon and Breach Science Publishers, Inc., New York, 1966) D. E. Nelsen, Statistics of Switching-Time Jitter for a Tunnel Diode Threshold-Crossing Detector (1966 IEEE International Convention Record) P. Penfield, Jr., Thermodynamics and Force of Electromagnetic Origin (1966 IEEE International Convention Record) xix INTRODUCTION This report, the eighty-first in a series of quarterly progress reports issued by the Research Laboratory of Electronics, contains a review of the research activities of the Laboratory for the threemonth period ending February 28, 1966. is a report on work in progress, results may not be final. Since this some of the