TY  - BOOK
AU  - Klein Cornelis
TI  - Minerals and rocks: Exercises in crystallography, mineralogy, and hand specimen petrology
SN  - 0471622079
U1  - H1, M9;1 
PY  - 1989///
CY  - New York    
PB  -  John Wiley Sons      
KW  -  Petrology
KW  - Mineralogy
ER  -