1. Higher operating temperature combined with recuperators increases production and saves energy;Bené;Ind Heat,1978
2. Utilization of energy in steel production––Present status and future possibilities [Energienutzung bei der Stahlerzeugung––gegenwärtige Stand und Zukünftige Möglichkeiten];Pöttken;Stahl u. Eisen,1978
3. Energy saving in steelmaking processes;Fujii;Trans ISIJ,1980
4. Energy economics in steel industry [Économie d'énergie dans la sidérurgie];Ikeda;Revue de Métallurgie,1981
5. Fuel efficiency improvement by oxygen enrichment of combustion air;Thekdy;Ind Heat,1981