TY - BK AU - Warmbrodt,R.D. TI - Biotechnology: Patenting issues January 1979 - December 1990, 91 citations from AGRICOLA T2 - NAL Quick Bibliography Series SN - 1052-5378 PY - 1991/// CY - Beltsville, MD (USA) PB - USDA. National Agricultural Library, KW - Biotechnology KW - Breeders rights KW - Legislation KW - Regulations N1 - Author index p. 9 ER -