000 00349nam a2200133Ia 4500
008 140215s9999 xx 000 0 und d
084 _aJ
_bPYE;1951
100 _aPyenson, Louis L.
245 _aElements of Plant Protection /
_b
260 _bJohn Wiey & Sons Inc. ,
_aNewYork :
_c1951
300 _a538p :
650 _aAgricultural
942 _2cc
_cBK
999 _c3750
_d3750