TY  - BOOK
AU  - Verma, S. C.
AU  -  Khullal. S. P
AU  -  Singh, Paramjit
AU  -  Sharma, S. S
TI  - Pteridology in India: : A Bibliography
PY  - 1987///
CY  - India
PB  - Bishen Singh Mahendra       
KW  - Pteridology-Bibliography
ER  -