TY  - BOOK
AU  - Walton, John
TI  - An introduction to the study of fossil plants
U1  - 561.1 21st ed.
PY  - 1953///
CY  - London
PB  - Adams and Charles Black
KW  - Fossils
KW  - Paleobotony
KW  - Paleontology
N1  - Index: pp 193-201
ER  -