31 Rai, R. K. Lakshminarayana, K. V. 9998 A note on the in vitro studies of the chewing-lice (Phthiraptera) Workshop on Techniques of Parasitology of the Zoological Survey of India Calcutta, 55-59 Anonymous 1980 43929 pdf http://www.phthiraptera.org/Publications/8805.pdf