S. Chand, B. R. . Rajeswara Rao, P. N. Kaul, A. K. Bhattacharya, K. Singh, and C. P. Singh, “Effect of Height of Harvesting and Intercropping with Lemongrass [<I>Cymbopogon Flexuosus</I> (Nees Ex. Steud) Wats.] on Biomass and Essential Oil Yields of Lemon Scented Gum (<I>Eucalyptus Citriodora</I> Hook)”, Indian Forester, vol. 124, no. 7, pp. 565–569, Jul. 1998.