TY  - BOOK
AU  - Arnold, Chester A.
TI  - An introduction to paleobotany
U1  - 561 
PY  - 1977///
CY  - New Delhi
PB  - Tata M C Graw-Hill Publishing
KW  - Paleobotany
KW  - Ancient ferns
KW  - Ancient lycopods
ER  -