000 00423nam a2200181 4500
020 _a
_c
082 _a632.96 COP-B
100 _aCoppel, Harry C; Mertins, James W
245 _aBiological insect pest suppression
250 _a
260 _aSpringer-Verlag, New York
_c1977
300 _a
490 _a
500 _a
590 _aSUB
_b
_c
650 _aBiological control of pests--agriculture
942 _cBK
999 _c541109
_d541109