Chopra, R.N.. Biology of bryophytes / R.N.Chopra, P.K.Kumra. - New Delhi : Wiley Eastern , 1988(rep.1991). - xi,350p. : ills.,figs. ; 23cm. . NULL ISBN: 085226240X NULL Subjects--Index Terms: BRYOPHYTES Dewey Class. No.: 588 / CHO/B