Investigation of the circular concentrator-flotation circle system for cleaning fine coal /
by D.W. Kestner, Jr. and D.S. Confer.

APA Citation

Kestner, D. W., Confer, D. S., Pennsylvania State University. Dept. of Mineral Preparation. (1962). Investigation of the circular concentrator-flotation circle system for cleaning fine coal. University Park, Pa.: Pennsylvania State University.

MLA Citation

Kestner, D. W, D. S Confer, and Pennsylvania State University. Dept. of Mineral Preparation. Investigation of the Circular Concentrator-flotation Circle System for Cleaning Fine Coal. University Park, Pa.: Pennsylvania State University, 1962.