Genetic engineering/biotechnology patents, 1980-1981 / editor: Paula E. Dawyer - vii, 383 p. : il. ; 28 cm. ISBN: 0070286973 0076067947 Subjects--Topical Terms: BIOTECNOLOGIA--PATENTESINGENIERIA GENETICA--PATENTES Dewey Class. No.: C 575.1 / G445