TY  - BOOK
AU  - Crosby,Alfred W.
TI  - Ecological imperialism: the biological expansion of Europe,900-1900 / 
T2  - Studies in environment and history, 
SN  - 0521456908
U1  - 304.2 
PY  - 1986///(rep.1994)
CY  - New york : 
PB  - Cambridge University Press , 
KW  - HUMAN ECOLOGY
KW  - EUROPEANS-MIGRATIONS
N1  - NULL
ER  -