TY  - BOOK
AU  - Barbour, Michael G
AU  - Billings, W. D
TI  - North American terrestrial vegetation
SN  - 9780521559867
SN  - 97029061
U1  - 581.722097 BAR 
PY  - 2000///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Phytogeography - North America
KW  - Plant communities - North America
KW  - Plant ecology - North America
N1  - Includes bibliographical references and indexes
ER  -