TY  - GEN
AU  - Smith,G.M.
TI  - Cryptogamic botany
CY  - New York
PB  - McGraw Hill
KW  - Cryptogamic
KW  - Botany
KW  - Bryophytes
KW  - Pteridophytes
N1  - Vol. 2 : Bryophytes & pteridophytes
ER  -