Industrial enzymes from microbial sources recent advances edited by M.G. Halpern - Park Ridge, N.J. Noyes Data Corp. 1981 - xii, 346 p. 25 cm - Chemical technology review no. 186 . Includes indexes LCCN: 81-1839 Subjects--Topical Terms: Microbial enzymesIndustrial microbiologyMicrobial enzymes--Patents