TY  - BOOK
AU  - Arnold Chester A, 
TI  - Introd To Pales Botany
U1  - 561 
PY  - 1947///
CY  - New York
PB  - Mc Graw Hill
KW  - General Stack
KW  - Paleobotany
KW  - fossil microorganismsPaleontology
KW  - Botany
ER  -