00829nam a2200289 4500 4086109 000 20150602122609.0 000 000 73001773 0700224335 0700224416 (pbk.) UOEL DLC DLC SB932 .V36 1973 632/.7 Van den Bosch, Robert. Biological control [by] Robert van den Bosch [and] P. S. Messenger. New York, Intext Educational Publishers [1973] xii, 180 p. illus. 24 cm. $9.50 Intext series in ecology Includes bibliographies. Insect pests Biological control. Messenger, P. S., joint author. 7 cbc orignew 1 ocip 19 y-gencatlg lcc LL 9311 9311 0 0 lcc 0 0 UOE UOE GEN 2015-06-02 1 SB932 .V36 1973 30001073 2026-04-27 12:09:27 2019-05-20 30001073 2015-06-02 LL