PUBLICATIONS AND REPORTS MEETING PAPERS PRESENTED One Hundred Twenty-fifth Meeting, American Astronomical Society, Philadelphia, Pennsylvania December 5-7, 1967 M. S. Ewing, D. H. Staelin, and B. F. 9. 24 mm J. J. Burke, The Cosmic Background at M. Moran, B. F. Burke, A. H. Barrett, A. E. E. A. Ball, and D. D. Cudaback, OH Interferometry Physics Colloquium, Dartmouth College, Hanover, December 7, C. Rogers, J. C. Carter, New Hampshire 1967 H. Perry, Optical Phonons in Some Mixed Crystals (invited) National Radio Astronomy Observatory H II Region Symposium, Virginia Charlottesville, December 7-11, 1967 J. M. Moran, Jr., Interferometry of OH Sources American Association for the Advancement of Science Meeting, New York December 26-31, 1967 Paula Menyuk, Theories of Language Acquisition and Practices in Therapy Department of Psychology Colloquium, New York, Brooklyn, New York January 10, W. 1968 M. Siebert, Signals and Noise in the Human Auditory System (invited) San Gabriel Valley Section IEEE, January 11, W. Brooklyn College of the City University of M. Pasadena, California 1968 Siebert, Signals and Noise in the Human Auditory System (invited) Conference on "The Use of Data Mechanization and Computors in Clinical Medicine, New York Academy of Sciences, New York January 15-17, 1968 W. S. McCulloch and W. L. Kilmer, Information Processing in the Central Nervous System with Special Reference to the Reticular System Department of Electrophysics Colloquium, Graduate Center, Farmingdale, New York January 18, Polytechnic Institute of Brooklyn, 1968 A. Bers, Stability Criteria and Analysis for Plasmas and Dispersive Media (invited) MEETING PAPERS PRESENTED (continued) Fourth Annual Informal Conference on Active Microwave Effects in Bulk Semiconductors, Institute of Electrical and Electronics Engineers, New York January 25-26, 1968 E. V. George and G. Bekefi, Indium Antimonide Low-Field Microwave Emission from n-type R. N. Wallace and A. Bers, Microwave Emission from n-InSb Loops with Induced Electric Fields IEEE Section Meeting (AP and MTT Chapters of Orange County), Anaheim, California 1968 February 6, J. L. Allen, Moths, Modes, and Maxwell (invited) International Symposium on Biocybernetics of the Central Nervous System (sponsored by the Edsel Ford Institute for Medical Research and the Aerospace Medical Association), Washington, D. C. February 8-9, R. 1968 Moreno-Diaz, Fiorello J. Sim'es da Fonseca, Discussion of 'Neural Calculus' by J. (invited) Conference on New Processes for Braille Manufacture, for the Blind, Louisville, Kentucky February 8-9, K. R. Mundi American Printing House 1968 R. Ingham, Braille Outputs from Reading Machines (invited) International Solid-State Circuits Conference, Philadelphia, Pennsylvania February 14-16, 1968 R. P. Rafuse, Symmetric MOS FET Mixers of High Dynamic Range Department of Electrophysics Seminar, Polytechnic Institute of Brooklyn, New York February 15, 1968 G. D. Bernard, Periodic Structures, Surface Waveguides, Media in the Eyes of Insects (invited) and Layered Gordon McKay Laboratory of Applied Science Seminar, Harvard University February 21, 1968 G. Bernard, Periodic Structures, Surface Waveguides, Media in the Eyes of Insects (invited) and Layered Ophthalmology and Applied Science and Engineering Seminar, Yale University, New Haven, Connecticut February 26, G. 1968 Bernard, Insect Dioptrics-Structure and Function (invited) American Physical Society Meeting, February 26-28, Boston, Massachusetts 1968 C. Mazza and K. W. Bowers, New Technique for Transient Species -EPR of the Lowest Triplet State of Benzophenone xvi MEETING PAPERS PRESENTED (continued) Astrophysics Plasma Seminar, Astrophysics Institute, Physics Department, Brandeis University, Waltham, Massachusetts February 29, 1968 A. Bers, Stability Analysis for Plasmas and Dispersive Media (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) M. S. Ewing, D. H. Staelin, and B. F. (Abstract) (Astron. J. ) Burke, The Cosmic Background at 9. 24 mm J. W. Gadzuk, The Effects of Screened Exchange and Correlation on the Surface Potential of an Electron Gas (Surface Sci. ) J. L. Goldstein and N. Y. S. Kiang, Neural Correlates of the Aural Combination Tone 2f l - f 2 (Proc. IEEE) D. A. Hart and N. L. Oleson, Use of Langmuir Probes in Low-Pressure Rare Gas Plasmas (Phys. Fluids) R. L. Kyhl, Fast Sensitive Smith Chart Plotter or Microwave Reflectometer (Rev. Sci. Instr.) P. J. Metz, G. von Bismarck, and N. I. Durlach, Further Results on Binaural Unmasking and the EC Model. II. Noise Bandwidth and Interaural Phase (J. Acoust. Soc. Am.) J. M. Moran, B. F. Burke, A. H. Barrett, A. E. E. Rogers, J. C. Carter, J. A. Ball, and D. D. Cudaback, OH Interferometry (Abstract) (Astron. J. ) A. V. Oppenheim, Generalized Superposition (Inform. Contr. ) K. N. Stevens, On the Relations between Speech Movements and Speech Perception (Z. Phonetik) J. S. Waugh, C. H. Wang, L. M. Huber, Experiments (J. Chem. Phys.) and R. L. Vold, Multiple-Pulse NMR S. Yamamoto and R. E. Stickney, Erratum : Analysis of "Lock-in" Detection of Modulated Molecular Beams Scattered from Solid Surfaces (J. Chem. Phys.) LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION L. D. Collins, Closed-Form Expressions for the Fredholm Determinant for State-Variable Covariance Functions (Proc. IEEE) T. K. Gustafson, P. L. Kelley, R. Y. Chiao, and R. G. Brewer, Self-Trapping in Media with Saturation of the Nonlinear Index (Appl. Phys. Letters) H. A. Haus and P. J. J. Katz, Penfield, Jr., Force on a Current Loop (Phys. Letters) Unpalatable Recipes for Buttering Parsnips (J. xvii Philos.) LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION R. H. ,,R. H. (continued) Katyl and U. Ingard, Scattering of Light by Thermal Ripplons (Phys. Rev. Letters) Katyl, Optimization of the Frequency Response of a Fabry-Perot Interferometer (Proc. IEEE) J. M. Moran, B. F. Burke, A. H. Barrett, A. E. E. Rogers, J. C. Carter, J. A. Ball, and D. D. Cudaback, The 18-cm Flux of the Unresolved Component of 3C273 (Astrophys. J. ) P. Penfield. Jr., Remarks [on Goodwin's analysis of 'Unresolved Paradox in Circuit Theory'] (Proc. IEEE) A. Solbes, Radiation Operator in Nonequilibrium Plasmas (AIAA J. ) J. S. Waugh, L. M. Huber, and U. Haeberlen, An Approach to High Resolution NMR in Solids (Phys. Rev. Letters) 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) 461 M. E. Austin, Decision Feedback Equalization for Digital Communication over Dispersive Channels 462 John T. 463 David Chase, Communication over Noisy Channels with No a priori Synchronization Information Pinkston III, Encoding Independent Sample Information Sources SPECIAL PUBLICATIONS G. Fiocco, Possibility of Continuous Measurement by Optical Radar of the Influx on Earth of Extraterrestrial Dust (Paper 20 (1968), NASA Special Publication) J. J. P. A. Kolers, Three Stages of Reading (Basic Studies in Reading, J. Williams (eds.), Harper and Rowe, New York) W. S. McCulloch, E. Craighill, and J. Blum, On a Cybernetic Theory of the Reticular Formation (Cybernetic Problems in Bionics. Gordon and Breach Science Publishers, Inc., New York, 1968) W. A. Rosenblith et al., Medical Ventures and the University : New Values and New Validities (Association of American Medical Colleges, Evanston, Illinois, 1967) [Contribution by Prof. Rosenblith] J. R. Ross, On the Cyclic Nature of English Pronominalization in Festschrift for Roman Jakobson (Mouton and Company, The Hague, 1967) Katz, The Logic of Questions (Proc. 3rd International Congress for Logic, Methodology and Philosophy of Science, B. van Rootselaar (ed.), pp. 262-293. North-Holland Publishing Company, Amsterdam, 1968) xviii H. Levin and