TY  - BOOK
AU  - Erdtman, G.
TI  - Introduction to Pollen Analysis
U1  - 582.0463 
PY  - 1943///
CY  - New York
PB  - The Ronald Press Company
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Fertilization of plants
KW  - Pollen
ER  -