TY  - BOOK
T1  - The Advancing front of Science
A1  - Gray, Geroge W.
PP  - New York
PB  - Whittlesey House
YR  - 1937
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.139235
OP  - 364
NO  - En tela.
ER  -