TY  - BOOK
AU  - Rapoport,Samuel
AU  - Wright,Helen
TI  - The Crust of the Earth: an Introduction to Geology
T2  - Signet Science Library Books
PY  - 1955///]
CY  - New Jersey : 
PB  - Signet book from New American Library, 
KW  - GEOLOGIA
N1  - Bibliografía
ER  -