Sandhu, G.S. An introduction to coelenterata / G.S.Sandhu and Harshvardhan Bhaskar. - 1st ed. - Delhi : campus books, 2003. - ix,162p. : ill. ; 21 cm. ISBN: 8187815787 Subjects--Topical Terms: invertebrates Dewey Class. No.: 592 / SAI 2003