000 00279nam a2200133 a 4500
008 170703s1996#### ||||f#|||||00| 0#uuu#d
003 AR-EzCA
080 _a63
091 _a19CAE
100 1 _aSParks, Donald
245 1 0 _aAdvances in agronomy.
653 4 _aAGRONOMIA
999 _c31226
_d31226