TY  - BOOK
T1  - McGraw-Hill : Encyclopedia of Science and Technology
PP  - New York
PB  - McGraw-Hill Book Co.
YR  - 1960
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.144226
NO  - An International Reference Work in Fifteen Volumes Including and Index
ER  -