TY  - BOOK
AU  - Richards John F.
TI  - Unending frontier:  An environmental history of the early modern world
SN  - 9780520246782 (pbk)
U1  - U47.1, P5 
PY  - 2005///
CY  - California
PB  - Univesity of California USA    
KW  - GEOGRAPHY
ER  -