TY  - BOOK
AU  - Clarke, Charles Baron
TI  - Review of the ferns of Northern India
T2  - Transaction of the Linean society. second series, Botany ; v.1
U1  - 587.310954 
PY  - 1973///
CY  - Dehra Dun
PB  - Bishan Singh Mahendra Pal
ER  -