Calendar: 1973-1974 Page 505

cxxxii Annual Report of the Delegacy Collins Self modulated spectral calibration lamps for use with lock-in amplifier systems Phys 737 1971 Collins and Williams 'The nature of the acceptor centre in semi-conducting diamond Phys 1789 1971 Collins and Fricker 'An automatic chart-follower using electrically conducting ink Phys 304 1972 Davies 'Approximate widths of zero phonon lines broadened by point defect strainfields Phys 1340 1971 'Some properties of nitrogen in diamond Diamond Research 1972 Supplement to Ind Diam Review 21 'Impurity induced one phonon absorption in diamond Proceedings of the International Conference on Phonons Rennes France 381 1971 Dawson 'The Raman Spectrum of Ca OH and Ca OD Solid State Comm 10 43 1972 'Polarization measurements in Raman spectroscopy Spectrochim Acta 28A 715 1972 Dawson Hargreaves Μ and Wilkinson 'Lattice Dynamics infra-red and Raman spectra of Sn02 Phys Solid State Physics 2421 1972 Katiyar 'The vibrational spectrum of zircon Physics Solid State Physics 240 1971 Domb 'Self-avoiding walks and scaling Proc Battelle Conference on Critical Phenomena 1970 'Definition of the Critical Region-Correction terms in the scaling form of the equation of state Proc Varenna Summer School on Crit Phenomena 1970 'Cluster Expansion for the dilute Ising ferromagnet Phys L325 1971 Ά note on the series expansion method for clustering problems Bio- metrika 59 209 1972 with Rapaport 'The smoothness postulate and the Ising Antiferro- magnet Phys 2684 1971 'Weighting of graphs for the Ising and classical vector models Submitted to Phys 1972 with Joyce 'Cluster Expansion for Polymer chain Phys 956 1972 'Term Structure of series expansions for the Ising and Classical Vector Models and Dilute Magnetism Phys 1399 1972