TY  - BOOK
AU  - Bolton, Thomas Elwood,
AU  - Proudlove, P.
ED  - University of Cambridge
TI  - Geological maps: Their solution and interpretation 
SN  - 0521367050
AV  - QE36 B55
PY  - 1989///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Geología
KW  - Mapas
ER  -