TY  - CPAPER
AU  - A. Grinc
AU  - J. Mikulenka
AU  - I. Petrovs
TI  - QUARTZ (GLASS) SAND - THE BASIC RAW MATERIAL FOR GLASS-MAKING
T2  - 8th International Scientific Conference - SGEM2008
PY  - 2008
SP  - 513
EP  - 516
PB  - SGEM Scientific GeoConference
ER  -