000 00293 a2200109 4500
008 190223b xxu||||| |||| 00| 0
245 _aBiosystematics in agriculture (2) /
260 _aNewYork
_bJohn Willey and sons.
_c1978
300 _a352p.
700 _aRomberger, John A. (Ed.)
942 _2ddc
_cBK
999 _c8983
_d8983