Citation: I. Eichlerovavolakova et L. Homolka, VARIABILITY OF LIGNINOLYTIC ENZYME-ACTIVITIES IN BASIDIOSPORE ISOLATES OF THE FUNGUS PLEUROTUS-OSTREATUS IN COMPARISON WITH THAT OF PROTOPLAST-DERIVED ISOLATES, Folia microbiologica, 42(6), 1997, pp. 583-588