TY  - BOOK
AU  - Povarennykh,Aleksandr Sergeevich
TI  - Crystal chemical classification of minerals. 
SN  - 0306303485
AV  - QE388.P613  
PY  - 1972///
CY  - New York
PB  - : Plenum Press
KW  - Classification
KW  - Crystallography
ER  -