TY  - BOOK
AU  - Gamow,George
TI  - Biography of the earth: its past, present, and future
PY  - 1946///
CY  - New York
PB  - The Viking Press
KW  - EstratigrafÃ­a
KW  - GeologÃ­a histÃ³rica
KW  - Libro
ER  -