TY - CPAPER AU - T. Celik AU - Y. Burdurlu TI - THE EFFECT OF USE OF NATURAL GAS TO THE QUALITY OF AIR IN ISTANBUL T2 - 9th International Multidisciplinary Scientific GeoConference SGEM2009 PY - 2009 SP - 357 EP - 364 PB - SGEM Scientific GeoConference ER -