TY  - BOOK
AU  - Zeller,E.J.
TI  - Modern methods for measurement of geologic time
T2  - Mineral information service
PY  - 1965///
CY  - California - EEUU
PB  - Division of Mines and Geology. Mineral Information Service
KW  - Edad geologica
KW  - Geocronologia
KW  - Tiempo geologico
KW  - Geologia
ER  -