TY  - GEN
AU  - Blackburn, William H
AU  - Dennen, William H
TI  - Principles of mineralogy
SN  - 069715078X
U1  - 549 
PY  - 1988///
CY  - Dubuque
PB  - WCB
KW  - CHEMISTRY
KW  - MINERALOGY
KW  - NATURAL SCIENCES
KW  - PURE SCIENCES
ER  -