TY  - BOOK
TI  - Changing boundaries in the Americas: new perspectives on the U.S.-Mexican, Central American, and South American Borders 
SN  - 1878367080
AV  - E18 .75 C43 1992
PY  - 1992///
CY  - United States of America
PB  - Center for U.S.-Mexican Studies, UCSD
N1  - Incluye bibliografía
ER  -