ROSIVAL L. /red./ 529,713 Plasmids. Medical and theoretical aspects. Third International Symposium on Antibiotic Resistance Castle of Smolenice, Czechoslovakia 1976. Ed. S.Mitsuhashi, L. Rosival, V.Krcmery, Prague 1977 Avicenum; Berlin, Springer Verl. 8° s. XI, nlb. 1, 489,il.