Pandey, A. K.; Tiwari, A. K.; Choudhary, B.; Srivastav, A.; Shukla, S. D.; Mishra, P. Occurrence of Lemon Butterfly; <I>Papilio demoleus< I> Linn. (Lepidoptera : Papilionidae) on <I>Psoralea corylifolia< I> L. In Allahabad. Indian Forester 2007, 133, 711-712.