VASISHTA, P.C. Botany: pteridophyta(vascular cryptogams) part IV P.C.Vasishta - 5th rev.ed. - New Delhi S.Chand 1992 - ix, 509p. ill. For degree students.part IV: pteridophyta(vascular cryptogams) ISBN: 65.00 Subjects--Topical Terms: BOTANY,PTERIDOPHYTA Dewey Class. No.: BOT 587 / VPn92