TY  - BOOK
T1  - Understanding light
T2  - A Ladder edition
A1  - Tannenbaum, Beulah
A2  - Stillman, Myra
A2  - Schrotter, Gustav
LA  - English
PP  - New York
PB  - Fawcett Publications
YR  - 1968
ED  - 2nd print.
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dhu.koha19500
OP  - 116
ER  -