The utilization of coal refuse for the manufacture of lightweight aggregate,
by Ronald W. Utley, H.L. Lovell [and] T.S. Spicer.

APA Citation

Utley, R. W., Spicer, T. Sprang., Lovell, H. Lemuel., Pennsylvania State University. Dept. of Mineral Preparation. (1964). The utilization of coal refuse for the manufacture of lightweight aggregate. [University Park: Pennsylvania State University].

MLA Citation

Utley, Ronald W, Theodore Sprang Spicer, Harold Lemuel Lovell, and Pennsylvania State University. Dept. of Mineral Preparation. The Utilization of Coal Refuse for the Manufacture of Lightweight Aggregate. [University Park: Pennsylvania State University], 1964.