1. Entwicklungsstand und enisatbereiche der halbwarmum-formung;Schmoeckel;VDW-Forschungsberichte 0416,1992
2. Some applications of cold and warm forging;Hirschvogel,1992
3. Warm forging — current situation and perspectives;Schmoeckel,1992
4. Manufacture of near-net shape forgings throuth warm forging;Sheljaskov,1993