TY  - BOOK
AU  - Singh,D.K.
AU  - Trivedi, B.S.
TI  - An Introduction to gymnosperms
SN  - 5987
U1  - 585 T.BS 16th ed
PY  - 1965///
PB  - Shashidhar Malariya Prakashan
KW  - Botany
ER  -