000 00428nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a"632.937""1969.12.30/31""(082.2) L1"
100 _a"Huffaker, C.B., Ed."
245 _a"Biological control :Proceedings of an AAAS symposium on biological control, held at Botson, Massachussetts, December 30-31, 1969"
260 _a1974
_bA Plenum
_cNew York
300 _a511
942 _cBK
999 _c59007
_d59007