Azad Thakur, N. S., and K. A. Palhak. “An Outbreak of Leaf Eating Caterpillar, <I>Chatra grisea< I> Moore on Pine Trees in Miwhalaya”. Indian Forester, vol. 109, no. 11, Nov. 1983, pp. 847-, doi:10.36808/if/1983/v109i11/10759.