TY  - BOOK
AU  - Singh, S.P.
AU  - Ballal, C.R.
AU  - Poorani, J.
AU  - Singh, S.P.
TI  - Old World bollworm Helicoverpa armigera, Associated Heliothinae and Their Natural Enemies : Technical Bulletin No. 31
U1  - 632.96/SIN 
PY  - 2002///
CY  - Bangalore (Karnataka)
PB  - Project Director, Project Directorate of Biological Control
ER  -