TY  - BOOK
AU  - Deer, W.A.
AU  - Howie, R.A. 
AU  - Zussman, J. 
TI  - An introduction to rock-forming minerals
SN  - 0582056411
U1  - 549.6 
PY  - 1966///
CY  - England: 
PB  - Longman Scientific & Technical, 
KW  - Rocks
KW  - Minerals
KW  - Silicate materials
ER  -