TY  - BOOK
AU  - Krech III, Shepard, McNeill, J. R. and Merchant, Carolyn
TI  - Encyclopedia of world environmental history: : O-Z
SN  - 0415937353
U1  - 333.703 
PY  - 2004///
CY  - New York
PB  - Routledge and Kegan Paul
KW  - Encyclopedia
KW  - Environment-encyclopaedia
ER  -