TY  - BOOK
AU  - Eicher, Don L.,
TI  - Geologic time
T2  - Foundations of earth science series
AV  - QE508 E515
PY  - 1968///
CY  - Englewood cliffs, new jersey
PB  - Prentice Hall
KW  - Estratigrafía
KW  - Cromologia geologica
ER  -