TY  - BOOK
AU  - Chopra,R.N., Kumra, P.K.
AU  - x
TI  - Biology of bryophytes: x
SN  - 085226240X
U1  - 588/C549b 
PY  - 1991///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Botany
N1  - Includes
ER  -