TY - BOOK TI - Technologies to maintain biological diversity SN - 0397530056 U1 - 333.9516 21st ed PY - 1988/// CY - Philadelphia PB - J.B. Lippincott Company KW - Biological diversity conservation KW - Biotechnology KW - Organisms-Conservation N1 - Science information resources center; Index: pp 325-34 ER -