[1]
M. L. Roonwal, “Studies in Intraspecific Variation I. On the Existence of Two Colour-Types in the Adults and Hoppers of the Solitaria phase in the Desert Locust, Schistocerca Gregaria (ForskÃ¥l). [Orthopetra, Acrididae.]”, rzsi, vol. 44, no. 4, pp. 369–374, Dec. 1946.