TY  - BOOK
AU  - Erdtman, G.
AU  - Paris, H. Humbert.
TI  - Pollen morphology and plant taxonomy: Angiospers (an introduction to palynology. 1)
U1  - 582.13 
CY  - Newyork
PB  - Hafner 
KW  - Pollen--Morphology 	
KW  - Plant spores--Morphology
ER  -