"First published in Philosophical transactions of the Royal Society of London, series A volume 313 (no.1525), pages 187-451” - T.P verso.
Optical bistability, dynamical nonlinearity and photonic logic : proceedings of a Royal Society discussion meeting held on 21 and 22 March 1984. ISBN 0854032398. Published by Royal Society in 1985. Publication and catalogue information, links to buy online and reader comments.