TY  - BOOK
AU  - DeBach, Paul
TI  - Biological control of insect pests and weeds
U1  - 632.96 21st ed.
PY  - 1970///
CY  - London
PB  - Chapman and Hall Ltd
KW  - Biological  and systematics
KW  - Insect pathology
KW  - Integrated control
KW  - Pest control
KW  - Weed control
N1  - Assistant Editor-Schlinger, Evert I; Bibliography: p. 715-844 includes index
ER  -