TY  - BOOK
AU  - Smith,Gilbert M.
TI  - Cryptogamic botany: bryophytes and pteridophytes
U1  - 581 
PY  - 1955///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Botany
KW  - Cryptogamic botany
KW  - Bryophytes
KW  -  Pteridophytes
ER  -