TY  - BOOK
AU  - Blackburn, William H.
AU  - Dennen, William H.
TI  - Principles of Mineralogy
SN  - 8185392528
U1  - 549 
PY  - 1988///
CY  - New Delhi
PB  - Universal Book Stall
KW  - Chemistry and allied sciences
KW  - Pure Sciences
KW  - Minerals
ER  -