TY  - BOOK
AU  - Greathead, D.J.
TI  - Opportunities for biological Control of agricultural Pests in Developing Countries
T2  - World Bank Technical Paper, no.11
U1  - PH 632.937(-77)(047.3) M3 
PY  - 1983///
CY  - Washington
PB  - World Bank
KW  - D.J. Greathead
ER  -