Datta, Subhash Chandra (An), Introduction to gymnosperms / Subhash Chandra Datta. - 3rd ed. - New Delhi : Kalyani publishers, 1984 - xi, 319p. : ill. ; 22x14cm. Includes appendix, references and index. ISBN: : Rs.35 Subjects--Topical Terms: GYMNOSPERMAE Dewey Class. No.: 585 / DAT-GYM