TY  - BOOK
AU  - Cook, Gerhard Albert,
TI  - Argon, helium and the rare gases: The elements of the helium group
AV  - QD162 C6
PY  - 1961///
CY  - New York
PB  - Interscience Publishers.
KW  - Helio
KW  - Argón
KW  - Gases raros
ER  -