1. Tungsten- occurrence, chemistry, environmental, and health exposure issues.pdf;Gbaruko;Glob. J. Environ. Res.,2007
2. Heat treating/thermal equipment refractory metals;Rowe;Heat Treat. Prog.,2003
3. Arc-melting processes for the refractory metals;Moss;J. Less-Common Met.,1959
4. Field Assisted Sintering Technology, Part II, GAMM-Mitteilungen;Singh,2017
5. Field assisted sintering technology update-part I;Singh;GAMM-Mitteilungen.,2017