Forecasting of Lipaphis erysimi on oilseed Brassicas in India—a case study - Chattopadhyay, C.; Agrawal, R.; Kumar, Amrender; Singh, Y.P.; Roy, S.K.; Khan, S.A.; Bhar, L.M.; Chakravarthy, N.V.K.; Srivastava, A.; Patel, B.S.; Srivastava, B.; Singh, C.P.; et al. (Crop Protection (02612194), 2005)