TY  - BOOK
AU  - Dietrich R V
AU  -  Wicander R
TI  - Minerals, rocks and fossils
T2  - Wiley self-teaching guides
U1  - H, M3 
PY  - 1983///
CY  - New York    
PB  -  John Wiley       
KW  -  Minerology
KW  - Geology
ER  -