TY  - BOOK
AU  - Erdtman,G.
AU  - Humbert,H.
TI  - Pollen morphology and plant taxonomy : angiosperms : an introduction to palynology
U1  - 581.32 ERD 1  
PY  - 1966///.
CY  - New York : 
PB  - Hafner Publishing Company, 
KW  - Pollen--Morphology
KW  - Angiosperms
ER  -