TY  - BOOK
T1  - The United States and Civilization
A1  - Nef, John Ulric 1899
PP  - Chicago
PB  - Univ. of Chicago press
YR  - 1942
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.139219
OP  - 421
NO  - En tela.
ER  -