000 003320000a22001450004500
060 _a100
082 _a632.93 PYE
100 _aPyenson, Louis L
245 _aElements of plant protection
260 _aUSA, John Wiley & Sons INC
260 _c1951
300 _a538
650 _aPlant protection/ insecticides
942 _cBK
999 _c221163
_d221163