PUBLICATIONS AND REPORTS MEETING PAPERS PRESENTED Foreign Service Institute, Department of State, Washington, June 7, 1960 D.C. N. Chomsky, On generative grammar (invited) Congres International "Tubes Hyperfrequences," Munich, June 7-11, 1960 Germany A. Bers, Space-charge theory of gap interaction with application to multicavity klystrons ONR Symposium on Principles of Self-Organization, Illinois, Monticello, Illinois June 8-9, 1960 M. Blum, J. Allerton House, University of The construction of infallible nets with unreliable neurons (invited) D. Cowan, Many-valued logics and homeostatic mechanisms (invited) W. S. McCulloch, What puzzles me most? (invited) L. A. M. Verbeek, Analysis and synthesis of error-minimizing neuronal nets liable to deaths and fits (invited) American Electroencephalographic Society Meeting, June 8-11, 1960 J. S. Barlow, F. R. Ervin, G. A. EEG in Korsakov's psychosis Talland, West Harwich, Massachusetts and M. Fifty-ninth Meeting, Acoustical Society of America, Rhode Island June 9-11, 1960 Victor, An analysis of the Brown University, Providence, L. W. Dean III, Scattering of sound by sound Symposium on Abnormal Nervous Function, Boston, Massachusetts June 12-14, 1960 M. A. B. Brazier, (invited) Oscillatory phenomena in the normal and abnormal brain Summer Program, "Computers, Science, Ann Arbor, Michigan June 13-24, 1960 and Engineering," University of Michigan, B. G. Farley, Five lectures in the section on Programming Concepts, Automata, and Adaptive Systems (invited) MEETING PAPERS PRESENTED (continued) McGill University, American Physical Society June Meeting, June 15-17, 1960 G. Bekefi, Montreal, Canada Microwave measurements of a plasma temperature S. J. Buchsbaum, L. Mower, and S. C. Brown, Interaction of a bounded microwave field with a cold plasma in a magnetic field S. Gruber, J. L. D. J. Receiving-antenna influence on cyclotron radiation measurements Hirshfield, Line profiles of cyclotron radiation Rose, Energy balance in a thermonuclear reactor D. R. Whitehouse and G. Bekefi, Diffusion and heat conduction of a weakly ionized plasma Fourth Berkeley Symposium on Mathematical Statistics, University of California, Berkeley, California June 20-July 29, 1960 M. Eden, A two-dimensional growth process Barth Foundation Symposium on Biosimulation, Locarno, Switzerland June 29-July 5, 1960 W. S. McCulloch, Logisticon: A proper probabilistic multiple truth valued logic for theory of parallel computer composed of threshold devices (invited) Scuola di perfezionamento in fisica teorica e nucleare, Italy July 8, 1960 W. S. sezione di cibernetica, Naples, McCulloch, Logisticon (invited) Mathematics Institute Colloquium on Information and Speech, Johannes Gutenberg University, Mainz, Germany July 11, 1960 W. S. McCulloch, Logisticon: A proper probabilistic multiple truth valued logic for theory of parallel computer composed of threshold devices (invited) Seminar of Professor F. Copenhagen, Denmark July 13, 1960 Buchthal's Group, Institute of Neurology, University of W. S. McCulloch, A proper logic for neurology (invited) International Conference on Medical Electronics, July 21-27, 1960 W. H. Levison and H. Sherman, indicator dilution techniques London The measurement xiii of mitral regurgitation by MEETING PAPERS PRESENTED (continued) Fifth International Congress of the International Union of Crystallography, England Aug. 17-22, 1960 Cambridge, A. L. Loeb, A modular algebra for the description and classification of crystal structures International Conference on Poetics, Warsaw, Poland Aug. 18-28, 1960 R. H. Abernathy, Mathematical linguistics and poetics Teaching Institute of the American Society for Pharmacology and Experimental Therapeutics, Seattle, Washington Aug. 21-25, 1960 G. L. Gerstein and W. A. Rosenblith, The processing of neuroelectric data; average responses and firing patterns of single neurons (invited) 1960 Western Electronic Show and Convention, San Francisco, California Aug. 23-26, 1960 E. J. Baghdady, A linear-cancellation technique for suppressing impulse noise International Conference on Logic and Philosophy of Science, Aug. 23-Sept. 2, 1960 N. Chomsky, Stanford, California Explanatory models in linguistics (invited) Summer Institute in Biophysical Science, Aug. 28-Sept. 9, 1960 Cambridge, Massachusetts G. L. Gerstein, The electrical activity of single units in the auditory cortex (invited) W. T. Peake, Auditory nerve responses: An input to the central nervous system (invited) W. A. Rosenblith, Quantitative assessment of the electrical activity of the nervous system (invited) Fourth London Symposium on Information Theory, Aug. 29-Sept. 3, 1960 London M. Eden and M. Halle, A characterization of cursive writing B. G. Farley and W. A. Clark, Jr., Activity in networks of neuron-like elements T. Kailath, Optimum receivers for randomly varying channels J. A. Swets and D. M. Green, Sequential observations by human observers of signals in noise J. M. Wozencraft and M. Horstein, Coding for two-way channels xiv MEETING PAPERS PRESENTED (continued) International Conference on Nuclear Structure, Queens University, Kingston, Ontario, Canada Aug. 29-Sept. 3, 1960 H. H. Stroke and R. J. Blin-Stoyle, Configuration mixing and the effects of distributed nuclear magnetization on hyperfine structure in odd A nuclei Sixth International Conference on Low Temperature Physics, University of Toronto, Toronto, Canada Aug. 29-Sept. 3, 1960 J. F. Cochran and Pieternella Cochran, The specific heat of super conductors near the critical temperature Seminar, Stazione Zoologica, Naples, Italy Aug. 30, 1960 M. H. Goldstein, Jr., A mathematical model for neuroelectric responses (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.) G. Ascarelli and S. C. Brown, germanium (Phys. Rev.) Recombination of electrons and donors in n-type S. J. Buchsbaum, L. Mower, and S. C. Brown, Interaction between cold plasmas and guided electromagnetic waves (Phys. Fluids) W. A. Clark, M. H. Goldstein, Jr., R. M. Brown, D. F. O'Brien, and H. E. Zieman, The average response computer, a digital device for computing averages and amplitude and time histograms of electrophysiological resopnses (Trans. IRE, PGME) G. L. Gerstein and N. Y-S. Kiang, An approach to the quantitative analysis of electrophysiological data from single neurons (Biophys. J.) M. Harwit, Measurement of thermal fluctuations in radiation (Phys. Rev.) N. Y-S. Kiang and T. T. Sandel, "Off"-responses from the auditory cortex of unanesthetized cats (Arch. Ital. Biol. (Pisa)) H. R. Maturana, J. Y. Lettvin, W. S. McCulloch, and W. H. Pitts, Anatomy and physiology of vision in the frog (Rana pipiens) (J. Gen. Physiol. Supplement) T. T. Sandel and N. Y-S. Kiang, "Off"-responses from the auditory cortex of anesthetized cats: Effects of stimulus parameters (Arch. Ital. Biol. (Pisa)) J. A. Swets, Detection theory and psychophysics: a review (Psychometrika) V. H. Yngve, A model and an hypothesis for language structure (Proc. Am. Phil. Soc.) LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION E. R. Pike and J. Ladell, The Lorentz factor in powder diffraction (Acta Cryst.) 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.) 269 M. V. Cerrillo, On the Mode of Convergence and Its Correction by Methods of Linear Summability 361 R. J. 363 M. W. P. 364 M. Harwit, Measurement of Fluctuations in Radiation from a Source in Thermal Equilibrium (also Technical Report 364, Naval Supersonic Laboratory) 373 W. B. Nottingham, McLaughlin, FM Weaker-Signal Suppression with Narrow-Band Limiters Strandberg, Unidirectional Paramagnetic Amplifier Design The Thermionic Energy Converter SPECIAL PUBLICATIONS E. J. Baghdady, Signal-cancellation techniques for capturing the weaker of two cochannel FM signals (Electromagnetic Wave Propagation, Academic Press, New York, 1960) J. S. Barlow, A small electronic averager and variance computer for evoked potentials of the brain (Medical Electronics, Iliffe and Sons, Ltd., London, 1960) J. F. Campbell, Jr., The voltage-current characteristics of a surface-dominated junction (Report on Twentieth Annual Conference on Physical Electronics, Massachusetts Institute of Technology, Cambridge, Mass., March 24-26, 1960) C. F. Ehret and J. S. Barlow, Toward a realistic modelof abiological period-measuring mechanism (Cold Spring Harbor Symposia on Quantitative Biology XXV) B. G. Farley and W. A. Clark, Jr., Activity in networks of neuron-like elements (Proc. Conference on Aeronautical and Navigational Electronics, May 24, 1960, Trans. IRE, PGANE) W. B. Nottingham, A simplified method for the computation of the electrical properties of a close-spaced thermionic converter (Report on Twentieth Annual Conference on Physical Electronics, Massachusetts Institute of Technology, Cambridge, Mass., March 24-26, 1960) W. A. Rosenblith, The electric activity of the nervous system (Quality and Quantity, edited by Daniel Lerner, Glencoe Free Press) T. T. Sandel, Quantitative methods in the analysis of neuroelectric activity (Medical Electronics, Iliffe and Sons, Ltd., London, 1960) V. H. Yngve, The depth hypothesis (Proc. Symposia in Applied Mathematics, Vol. XII) xvi