TY  - BOOK
T1  - The natural vegetation of North America :an introduction /
DA  - c1979.
CY  - New York :
AU  - Vankat, John L.,
CN  - QK110
CN  - QK110
PB  - Wiley,
PP  - New York :
PY  - c1979.
ID  - 19467
KW  - Plant ecology
KW  - Plant communities
SN  - 0471017701
TI  - The natural vegetation of North America :an introduction /
ER  -