TRAM XVIII, training resources applied to mining proceedings :
August 12-14, 1991 /
sponsored by Department of Mineral Engineering, College of Earth and Mineral Sciences, The Pennsylvania State University.
APA Citation
United States. Mine Safety and Health Administration., Pennsylvania State University. Dept. of Mineral Engineering. (1992). TRAM XVIII, training resources applied to mining proceedings: August 12-14, 1991. University Park, Penn.: The Dept.
MLA Citation
United States. Mine Safety and Health Administration, and Pennsylvania State University. Dept. of Mineral Engineering. TRAM XVIII, Training Resources Applied to Mining Proceedings: August 12-14, 1991. University Park, Penn.: The Dept, 1992.
Warning: These citations may not always be complete (especially for serials).