TY  - BOOK
AU  - Walker,John
AU  - Scott, Harold William
TI  - Lectures on geology, including hydrography, mineralogy and metereorolgy, with an introduction to biology
AV  - QE 35 W3
PY  - 1966///
CY  - Chicago
PB  - University of Chicago
KW  - Geología
N1  - Incluye bibliografía
ER  -