Bisht, Smita, et al. “Seasonal Nutrient Variation in Foliage and Leaf Litter and Their Conservation in <I>Dalbergia sissoo< I> Ecosystems”. Indian Forester, vol. 129, no. 4, Apr. 2003, pp. 457-68, doi:10.36808/if/2003/v129i4/2278.