Coombs, J. The biotechnology directory 1990 / J. Coombs & Y. R. Alston. - New York, N. Y., USA : Stockton Press, c1989. - xxi, 569 p. ; 28 cm. ISBN: 0935859799 Subjects--Topical Terms: Biochemical engineering--Directories.Bionics--Directories. LC Class. No.: TP248.3 / C66 1989