TY  - BOOK
AU  - Erdtman, G.
AU  - Erdtman, G.
TI  - Handbook Of Palynology: An Introduction To Study Of Pollen Gfains And Spores
U1  - I : : 54 
PY  - 1969///
CY  - New York
PB  - Hafner Pub. Co.
KW  - I : : 54
ER  -