000 00402 a2200133 4500
001 1128
008
082 _a333.953416
084 _aQdda.51
245 _athe U.S. National Plant Germplasm System
260 _aWashington
_bNat.Ac.Press
_c1991
300 _axiv, 171 s. : ill.
653 _aDOCUMENTATION GENE BANKS GENETIC RESOURCES INFORMATION PROCESSING NPGS
999 _c11206
_d11206