TY  - BOOK
AU  - Herat, Tissa R.
TI  - Tentative keys to the families & genera of pteridophytes of Sri Lanka
SN  - 9789559911619
U1  - 587.095493 
PY  - 2003///
CY  - Kandy
PB  - Tissa R. Herat
KW  - Pteridophytes
ER  -