"First published in Philosophical transactions of the Royal Society of London, series B, vol 303 (no 1114), p63-227 _ T.p. verso.
The Determinants of bacterial and viral pathogenicity : proceedings of a Royal Society discussion meeting held on 23 and 24 February 1983. ISBN 0854032169. Published by Royal Society in 1983. Publication and catalogue information, links to buy online and reader comments.