31 Lakshminarayana, K. V. Ananthakrishnan, T. N. 1977 Factors involved in the host-specificity in Mallophaga sens. lat., (Phthiraptera: Insecta) infesting birds Anonymous Insects and host-specificity The Macmillan Company of India 101-109 43920 pdfBook, Section http://www.phthiraptera.org/Publications/8796.pdf