TY  - BOOK
AU  - Spicer,Edward H.
TI  - Cycles of conquest
U1  - 900 
PY  - 1976///
CY  - Estados Unidos de Norteamérica
PB  - University of Arizona
KW  - Historia
N1  - Impact of Spain, México, and the United States on the indians of soutwest 1533-1960
ER  -