TY  - BOOK
AU  - Basset, I. John.
AU  - Crompton, Clifford W.
AU  - Parmelee, John A.
TI  - An Atlas of airborne pollen grains and common fungus spores of Canada
T2  - Monograph
U1  - 581.1662 
PY  - 1978///
CY  - Ottawa, Canada
PB  - Department of Agriculture
KW  - Esporas
KW  - Polen
ER  -