TY  - BOOK
AU  - VERMA,S.C., Khullar,S.P., Singh Paramjit, Sharma,Shanti.S
TI  - PTERIDOLOGY IN INDIA A BIBLIOGRAPHY
U1  - 587 VER 
PY  - 1987///
CY  - DELLHI
PB  - BISHEN SINGH MAHENDRA PAL SINGH & PERIODICAL EXPERTS
KW  - PTERIDOPHYTA
ER  -