TY  - BOOK
AU  - Mottana, Annibale, et al.; Prinz, Martin, et al.
TI  - Guide to rocks and minerals
U1  - 552 MOT-G 22
PY  - 1990///
CY  - 
PB  - Simon & Schuster Inc., New York
KW  - Petrology (Rocks)
ER  -