TY  - BOOK
AU  - S.S. Bir
TI  - Aspects of plant sciences : Vol 3, Pteridophytes : Some aspects of their structure and morphology 
U1  - 581.31 
PY  - 1980///
CY  - New Delhi
PB  - Today and Tommorow Printers And Publishers
N1  - S.S. Bir: Aspects of plant sciences : Vol 3, Pteridophytes : Some aspects of their structure and morphology.  New Delhi.  Today and Tommorow Printers And Publishers, 1980.--(581.31BIR)
ER  -