TY  - BOOK
AU  - S.S. Bir
TI  - Aspects of plant sciences : Pteridophytes : Their morphology, cytology, taxonomy and phylogeny 
U1  - 587 
PY  - 1983///
CY  - New Delhi
PB  - Today and Tommorow Printers And Publishers
N1  - S.S. Bir: Aspects of plant sciences : Pteridophytes : Their morphology, cytology, taxonomy and phylogeny.  New Delhi.  Today and Tommorow Printers And Publishers, 1983.--(587BIR)
ER  -