Trevan, M.D. . Biotechnology: The Biological Principles / Textual Documents M.D. Trevan...(et al). - 1st ed. / - New Delhi : Tata Mcgraw-Hill Publishing Company Ltd , 1990. - xii, 256p. ; 24cm. Index Subjects--Index Terms: Zoology Biotechnology PG-Zoology Dewey Class. No.: 620.8 / Tr 71 Bi