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Corrosion resistance of sintered TiC-steel alloysKübarsepp, Jakob; Valdma, Leo; Kallast, VambolaSoviet Powder Metallurgy and Metal Ceramics1980 / p. 293-294 https://doi.org/10.1007/BF00791376

Utilization of Estonian oil shale at power plantsOts, ArvoApplications of advanced technology to ash-related problems in boilers1996 / p. 367-381