Packard, A.S. . World Guide to Insects Vol-I / Textual Documents A.S. Packard. - 6th ed. / - New Delhi : Cosmo Publications , 1993. - xii, 357p. : ill ; 22cm . ISBN: PB Subjects--Index Terms: Zoology-Insects Insects PG-Zoology Dewey Class. No.: 595.7 / Pa 12 Wo