Evaluation of alumina extraction from coal waste :
composition and availability /
by Roy T. Sorensen and John L. Schaller.

APA Citation

Sorensen, R. T., Schaller, J. L. (1983). Evaluation of alumina extraction from coal waste: composition and availability. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Sorensen, Roy T, and John L Schaller. Evaluation of Alumina Extraction From Coal Waste: Composition And Availability. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1983.

Warning: These citations may not always be complete (especially for serials).