TY  - BOOK
AU  - Erdtman, G.
TI  - Pollen and Spore Morphology/Plant Taxonomy
U1  - 582.0463 
PY  - 1957///
CY  - New York
PB  - The Ronald Press Company
KW  - Botanical sciences
KW  - Pure Sciences
KW  - Morphology
KW  - Pollen
ER  -