PUBLICATIONS AND REPORTS MEETING PAPERS PRESENTED Second Conference on Visual Prosthesis, Chicago, Illinois June 2-4, 1969 K. R. Ingham, Auditory Preprocessing (invited) IEEE International Conference on Communication, Boulder, Colorado June 9-11, 1969 T. S. Huang and G. B. Anderson, Newspaper Transmission by Digital Facsimile : Picture Quality (invited) F. F. Lee, Reading Machine : From Text to Speech IEEE Computer Group Conference, June 17-19, F. F. Minneapolis, Minnesota 1969 Lee, Study of 'Look-Aside' Memory Symposium on Beam-Plasma Interactions, Third European Conference on Controlled Fusion and Plasma Physics, Utrecht, The Netherlands June 23-27, 1969 B. R. Kusse and A. Bers, Interactions of a Plasma with a Spiraling Electron Beam International Symposium on Subcortical Vision, Massachusetts Institute of Technology June 24, 1969 J. Y. Lettvin, S-H. Chung, and S. Raymond, Visual Units Multiple Meanings in Single National Jubilee Conference on Paramagnetic Resonance, June 24-29, M. W. Kazan, U. S. S. R. 1969 P. Strandberg, Magneto-Resistance Measurements with EPR Apparatus IEEE Solid State Circuits Committee Annual Technical Discussion Meeting, Sanibel Island, Florida June 30 -July 1, 1969 T. S. Huang, Recent Trends in Bandwidth Compression (invited) VI Conference on Physics of Electron and Atom Collisions, of Technology, Cambridge, Massachusetts July 29 -August 2, Massachusetts Institute 1969 D. E. Pritchard, New Experimental Evidence on the Van der Waals Interaction between Alkalis D. E. Pritchard, D. C. Burnham, G. M. Carter, and D. Kleppner, Thermal Energy Crossed Beam Apparatus with Polarized Beams D. E. Pritchard, G. M. Carter, F. Y. Chu, and D. Kleppner, Differential Spin Exchange Scattering between Alkali Atoms xiii MEETING PAPERS PRESENTED (continued) Society of Photo-optical Instrumentation Engineers Meeting, California August 11-14, San Francisco, 1969 G. M. Robbins, Image Restoration for a Class of Linear Spatially Variant Degradations International Conference on the Science of Superconductivity, Stanford University, Stanford, California August 26-29, 1969 T. R. Brown and J. G. King, Atomic Beam Study of Nb in the Vortex State R. L. Kyhl and M. W. P. Strandberg, Excess Noise in Superconducting Bolometers 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. L. Andrews and S. C. Brown, A Narrow-Band Far Infrared Interferometer (Rev. Sci. Instr.) i A. B. Baggeroer, A State-Variable Approach to the Solution of Fredholm Integral Equations (IEEE Trans. (IT)) J. C. Batty and R. E. Stickney, Quasi-Equilibrium Treatment of Gas-Solid Reactions : I. Evaporation Rates of Volatile Species Formed in the Reaction of 02 with W, Mo, and C (J. Chem. Phys.) J. C. Batty and R. E. Stickney, Quasi-Equilibrium Treatment of Gas-Solid Reactions : II. Flash Desorption of Oxidation Products from a Tungsten Surface (J. Chem. Phys. ) E. A. Bucher and J. A. Heller, Error Probability Bounds for Systematic Convolutional Codes (IEEE Trans. (IT)) B. F. Burke, Long-Baseline Interferometry (Phys. Today) D. L. Fehrs and R. E. Stickney, Contact-Potential Measurements of the Adsorption of 12, Br 2 , and C1 2 on Bare and Cesiated W(100) (Surface Sci.) J. A. Freeman, A Simple Method for Producing, in Quantity, Metal Micro-electrodes with a desired Taper and Impedance (EEG Clin. Neurophysiol. ) E. V. George and G. Bekefi, Pulsed Resistance Bridge for Studies of Semiconductor Contacts (IEEE Trans. (ED)) M. M. Goutmann, Chernoff Bound for Channels with Infinite Memory (IEEE Trans. (IT)) D. M. Green, The Consistency of Auditory Detection Judgments (Psychol. Rev. ) R. M. Hershkowitz and N. I. Durlach, Interaural Time and Amplitude JND's for a 500-Hz Tone (J. Acoust. Soc. Am.) xiv JOURNAL PAPERS ACCEPTED FOR PUBLICATION (continued) K. R. Ingham, Braille, the Language, Its Machine Translation and Display (IEEE Trans. (Man-Machine Systems)) W. L. Kilmer, W. S. McCulloch, and J. Blum, A Model of the Vertebrate Central Command System (Int. J. Man-Machine Studies) P. A. Kolers, Clues to a Letter's Recognition : Implications for the Design of Characters (J. Typographic Res. ) F. F. W. H. Lee, Filter Design for Optical Data Processors (Pattern Recognition) Lee, Study of 'Look-Aside' Memory (IEEE Trans. (Computers)) Jane W. S. Liu, Reliability of Quantum-Mechanical Communication Systems (IEEE Trans. (IT)) R. P. Lowndes, Dielectric Response of the Alkaline Earth Fluorides (J. (Solid State)) Phys. C W. M. Manheimer, Nonlinear Flute Instabilities Inherent in Two-Component Plasmas (Phys. Fluids) W. M. Manheimer, Nonlinear Development of an Electron Plasma Wave in Cylindrical Waveguide (Phys. Fluids) J. L. Massey, Shift-Register Synthesis and BCH Decoding (IEEE Trans. R. L. Mozzi and B. R. B. C. Parente, E. Warren, The Structure of Vitreous Silica (J. a (IT)) Appl. Crystallog.) Stability of a Magnetic Suspension Device (IEEE Trans. (AES)) H. Perry and R. P. Lowndes, Optical Phonons and Phase Transitions in the Ammonium Halides (J. Chem. Phys.) D. H. Staelin, Passive Remote Sensing at Microwave Wavelengths (Proc. IEEE) N. E. Tornberg and C. H. Perry, Temperature-Dependent Optical Phonons in Lead Titanate (Phys. Rev. ) D. E. Troxel, W. F. Schreiber, (IEEE Trans. (Com)) and C. L. Seitz, Wirephoto Standards Converter B. E. Warren and R. L. Mozzi, Corrections for Intensity Measurements from Glass Samples (J. Appl. Cryst.) LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION B. F. J. I. Glaser, Design of Elliptical and Circular Aperture Pencil-Beam Antennas Using the Modified Lambda Functions (IEEE Trans. (AP)) R. M. Burke, Long Baseline Interferometry (Nature) Hershkowitz and N. I. Durlach, An Unsuccessful Attempt to Determine the Tradability of Interaural Time and Interaural Intensity (J. Acoust. Soc. Am. ) C. A. Nanney and E. V. George, (Phys. Rev. Letters) c Coherent Microwave Radiation from BiSb Alloys , , C LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION (continued) A Proposed High-Efficiency Diode Oscillator (Electronics Letters) P. Penfield, Jr., P. R. Schwartz and A. H. Barrett, Observations of the 2 1/2 J=5/2 OH Excited State in W3 (Astrophys. J. ) D. H. Staelin, Fast Folding Algorithm for Detection of Periodic Pulse Trains (Proc. IEEE (Letters)) TECHNICAL REPORTS PUBLISHED (This and previously published technical reports, if available, Research may be obtained from the Document Room, 26-327, Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge. Massachusetts 02139) NASA SP- 111 Optical Space Communication - Report on MIT/RLE-NASA/ERC Workshop held at Williams College, Williamstown, Massachusetts, August 417, 1968 SPECIAL PUBLICATIONS . J. C. Batty and R. E. Stickney, Simple Thermodynamic Model of Reactive Scattering of Gas Molecules from Solid Surfaces : The Oxygen-Tungsten Reaction (Sixth International Symposium on Rarefied Gas Dynamics. Edited by L. Trilling and H. Y. Wachman. Academic Press, New York, 1969, pp. 1165-1169) M. Eden, The Application of Character Recognition Techniques to the Development of Reading Machines for the Blind (Imaging in Biological Science, edited by Diane 1969, University of California Press, Berkeley, California, M. Ramsey. pp. 35-55) "J. Glaser, Antenna Synthesis for Circular and Elliptical Apertures Record - 1968), pp. 18-19 W. S. (NEREM McCulloch, Of Digital Oscillators (Information Processing in the Nervous System, edited by K. N. Leibovic) (Springer-Verlag New York Inc., 1969) W. S. McCulloch, The Reticular Formation Command and Control System (Information Processing in the Nervous System, edited by K. N. Leibovic) (Springer-Verlag New York Inc., 1969) W. S. W. S. McCulloch and W. L. Kilmer, Information Processing in the Central Nervous System with Special Reference to the Reticular System (Ann. N. Y. Acad. Sci. Vol. 161, Art. 2) McCulloch, The Beginning of Cybernetics (Daedalus) J. L. Massey, Some Algebraic and Distance Properties of Convolutional Codes, in Proc. Symposium on Error Correcting Codes, U. S. Army Research Center, University of Wisconsin, Madison, Wisconsin, May 6-8, 1968 (John Wiley and Sons, Inc., New York, 1968), pp. 89-109 J. F. Nolte and J. E. Brown, Spectral Sensitivity of Single Photoreceptors in the Lateral and Ventral Eyes of Limulus (Abstract) (Biological Bulletin, Woods Hole Marine Biological Laboratory) xvi