Three-dimensional numerical modeling of coal mining
Print Book, English, 1990
University of Alabama, College of Engineering, Bureau of Engineering REsearch, Tuscaloosa, Ala., 1990
viii, 99 leaves : illustrations ; 28 cm
23664987
Submitted to School of Mines and Energy Development, the University of Alabama, and U.S. Dept. of the Interior, Bureau of Mines, Washington, D.C