TY  - BOOK
AU  - Weidner, Kathleen
TI  - Rocks and Minerals
SN  - 9781426310386
U1  - 552 W38N 
PY  - 2012///
CY  - Washington D.C.
PB  - National Geographic
KW  - MINERALOGÍA
KW  - MINERALOGY
KW  - MINERALS
KW  - ROCKS
KW  - MINERALES
KW  - ROCAS
ER  -