TY  - BOOK
AU  - Werger, M.J.A., ed.
TI  - The study of vegetation
U1  - 577.46 1979.2.3 (063) L8 
PY  - 1979///
CY  - London
PB  - Hague-Boston
KW  - M.J.A. Werger
KW  - Vegetation and climate,Crops and climate
ER  -