Calendar: 1975-1976 Page 532

cix Annual Report of the Delegacy Price 'Photoelectron Spectroscopy Concise Dictionary of Physics Suppl Vol 292-8 Thewlis ed Pergamon Press 1974 'Photoelectron Spectroscopy Advances in Atomic and Molecular Spectro- scopy 10 131-71 Bates ed Academic Press 1974 Introduction to Higher Electronic States of Polyatomic Molecules Vols and by Robin Academic Press 1974 Sherman and Wilkinson 'Infrared and Raman studies on the vibrational spectra of impurities in ionic and covalent crystals Vibrational Spectroscopy of Trapped Species Halem ed Wiley 1973 Siapkis Lewis and Wilkinson 'Submillimetre-wave power reflection measurements thiourea in the paraelectric and ferroelectric phases in High Frequency Dielectric Measurement Chamberlain and Chantry eds Science and Technology Press 1973 Sinha Β and Duggan 'The Thomas Fermi approximation and the imaginary part of the optical potential Physics Letters 47B 389 1973 Ά three parameter nucleon-nucleus optical model on the energy shell Nuclear Physics A226 31 1974 Sinha Ά nucleus-nucleus optical potential using density dependent two-body interaction Physics Review Letters 33 600 1974 Stokes 'Molecular theory of matter Chapter in Source book-Physical Science Nuffield Advanced Science Penguin Books 1974 Streets and Williams 'Photoelectron spectroscopy of 9-10 dihaloanthracenes Electron Spectrosc 71 1974 Sykes Gaunt Essam Heap Elliott and Mat- tingly 'Derivation of low-temperature expansions for Ising model Three- dimensional lattices-field grouping Phys 1498-506 1973 Sykes Gaunt Essam and Elliott 'Derivation of low temperature expansions for Ising model VI Three- dimensional lattices-temperature grouping Phys 1507-16 1973 Sykes Rehr and Glen Maureen Ά note on the percolation probabilities of pairs of closely similar lattices Proc Camb Phil Soc 1974