M. N. Plis

COALVAL: A prefeasibility software package for evaluating coal properties using Lotus 1-2-3, Release 2. 2. Documentation and user's guide

T. J. Rohrbacher, M. N. Plis, D. D. Teeters, 1993 .

Blast vibrations and other potential causes of damage in homes near a large surface coal mine in Indiana. Report. of investigations/1993

D. E. Siskind, M. N. Plis, S. V. Crum, 1993 .

Preliminary evaluation of the relationship of bit wear to cutting distance, forces, and dust using selected commercial and experimental coal- and rock-cutting tools. Report of Investigations/1988

W. W. Roepke, M. N. Plis, C. F. Wingquist, 1988 .