TY  - BOOK
AU  - Leighly,John
TI  - Land and life: a selection from the writings of Carl Ortwin Sauer
U1  - 630 
PY  - 1963///
CY  - Berkeley
PB  - University of California, 
KW  - Sauer, Carl Ortwin
KW  - Geografia historica
KW  - Poblamiento
KW  - Mexico
KW  - Estados Unidos
ER  -