IOBC-WPRS Bulletin Vol. 14 (1), 1991

Proceedings of the 2nd European meeting: "Microbial control of insects", arranged by the Working Group: "Insect Pathogens and Insect Parasitic Nematodes".
(Edited by H.F. Evans),
Rome (Italy), 6-8 March 1989, 88 pp,
ISBN 92-9067-035-5