C. Hilsum,Royal Society Discussion Meeting.Royal Society Discussion Meeting (1982):Liquid crystals : their physics, chemistry and applications : proceedings.The Royal Society,1983.
International Symposium on Gallium Arsenide and Related Compounds.International Symposium on Gallium Arsenide and Related Compounds (6th : 1976 : Edinburgh):Gallium arsenide and related compounds , 1976; proceedings.Institute of Physics,1977.