TY  - BOOK
AU  - Welton, Joann E.
ED  - Chevron Oil Field Research Company
ED  - American Association of Petroleum Geologists
TI  - Sem petrology atlas
T2  - AAPG methods in exploration series
SN  - 0891816534
AV  - QE369.M5 W45
PY  - 1984///
CY  - Okla
PB  - American Association of Petroleum Geologists
KW  - Mineralogía determinativa
KW  - Atlas
KW  - Microscopios electrónicos exploradores
ER  -