1. Volatile substances of combustible shales;Sidorovich;Oil Shale,1991
2. Alternative ways for using oil shale;Veski;Oil Shale,1994
3. Experience of oil shale combustion in Ahlstrom pyroflow CFB-boiler;Holopainen;Oil Shale,1991
4. Formation of air-polluting compounds while burning oil shale;Ots;Oil Shale,1992
5. Emissions from Estonian oil shale power plants;Aunela;Oil Shale,1995