TY  - BOOK
AU  - Deer, W.
AU  - Howie, R.
AU  - Zussman, J.
TI  - Disilicates and Ring Silicates : Rock Forming Minierals
SN  - 0582465214
PY  - 1986///
CY  - New York
PB  - Longman Scientific and Technical
KW  - Minerology
ER  -