524,719 RYC M. /red./ Toxic products of bacteria. Proceedings of the Second International Symposium Toxic Products of Bacteria held at Castle of Liblice,/Czechoslovakia/, September 12-14, 1973. Organizer Czechoslovak Society of Microbiology of the Czechoslovak Academy of Science. Ed. by F.Patočka, A. Soucek, M. Ryc. Prague 1975 Avicenum.: Basel,S. Karger 8° s.IX, nlb. 3, 259, VIII, tabl. 6, ilustr. Odb. z czas. Journal of Hygiene,Epidemiology Microbiology and Immunology.