TY  - BOOK
AU  - Scott, Dukinfield Henry
TI  - Studies in fossil botany Vol.1: Pteridophyta 
U1  - 561 
PY  - 1962///
CY  - New york
PB  - Hafner Publishing Co.
KW  - Fructification
KW  - Lycopsida
KW  - Cycadales
ER  -