TY  - BOOK
T1  - Audiovisual materials : Their Nature and Use
T2  - Exploration series in education / ed. John Guy Fowlkes
A1  - Wittich, Walter Arno
A2  - Schuller, Charles Francis
LA  - English
PP  - New York
PB  - Harper & Brothers
YR  - 1962
ED  - 3rd ed.
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dhu.koha16482
OP  - 500
ER  -