Pratheepa, M.; Meena, K.; Subramaniam, K. R.; Venugopalan, R.; Bheemanna, H. Seasonal Population Fluctuations of Cotton Bollworm, <I>Helicoverpa armigera</I> (Hubner) in Relation to Biotic and Abiotic Environmental Factors at Raichur, Karnataka, India. JBC 2010, 24, 47-50.