TY  - BOOK
AU  - Deer , W.A.
ED  - Howie, R.A. and Zussman J.
TI  - An Introduction to the Rock Forming Minerals
SN  - 0-582-40716-8
U1  - 549.114 
PY  - 1966///
CY  - England
PB  - The English Language Book Society 
ER  -