TY  - BOOK
T1  - Visual Aids in Fundamental Education: Some Personal Experiences
T2  - Press, film and radio in the world today
PP  - París,
YR  - 1952
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.139437
OP  - 168
ER  -