TY  - BOOK
AU  - Arnold Chester A
TI  - Introduction to paleobotany
T2  - McGraw Hill Publication in the botanical sciences
U1  - I:8, H71;2 
PY  - 1947///
CY  - New York    
PB  -  McGarw Hill book co.     
KW  -  Paleobotany
KW  - Botany
ER  -