PUREKAR, P.N Text-book of botany plant physiology & ecology P.N.Purekar, R.B.Singh and R.D.Deshmukh - 2nd rev.ed. - New Delhi S.Chand 1992 - x,390p. ill. For degree students. ISBN: 60.00 Subjects--Topical Terms: PLANT ECOLOGY,PLANT PHYSIOLOGY Dewey Class. No.: BOT 581.1&.5 / PPn92