TY - BOOK T1 - Biological insect pest suppression T2 - Advanced series in agricultural sciences; A1 - Coppel, Harry C. 1918- . A2 - Mertins, James W. 1943- LA - English PP - Berlin PB - Springer YR - 1977 UL - http://discoverylib.upm.edu.my/discovery/Record/132851 OP - 314 CN - SB933.3 C66 SN - 3540079319 KW - Insect control : Biological control. ER -