TY  - BOOK
AU  - Niggli,Paul
AU  - Parker,Robert Lüling
TI  - Rocks and mineral deposits
T2  - A Series of geology texts
U1  - 549 23
PY  - 1954///
CY  - San Francisco
PB  - Freeman
KW  - Mineralogy
N1  - Includes Indexes
ER  -