Verma, P. S., A manual of practical zoology invertebrates for graduate and post-graduate students of all Indian universities / P. S. Verma. - First Edition. - xii,647,12 pages ; 24 cm. ISBN: 8121908299 Subjects--Topical Terms: Animals Index Terms--Genre/Form: Invertebrates.Manuals. Dewey Class. No.: 592 / V522