TY  - BOOK
T1  - Cosmos
A1  - Sagan, Carl
PP  - Barcelona
PB  - Planeta
YR  - 1983
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dli.28790
SN  - 8432036269
KW  - Astronomia
ER  -