Updraft pelletizing of specular-hematite concentrates Donald C. Violetta Article 25 November 2017 Pages: 118 - 121
Downdraft taconite pellet hardening Alan EnglishM. F. Morgan Article 25 November 2017 Pages: 122 - 124
The Lurgi pelletizing process: A combined updraft-downdraft technique Kurt J. E. MeyerHans Rausch Articles 25 November 2017 Pages: 129 - 133
Sulfate roasting copper-cobalt sulfide concentrates L. F. TheysL. V. Lee Article 25 November 2017 Pages: 134 - 136