Krishnamurthy, T.; Karira, G. V.; Sharma, B. K.; Bhatia, K. Cultivation and Exploitation of <I>Podophrllum hexandrum< I> Royle (syn. <I>P. Emodi< I> Wall. <I>Ex< I> Hook. F. Thomas). Indian Forester 1965, 91, 470-476.