BOOKQUE

Effects of Selected Physical Agents on the Performance of Acoustically Absorptive Materials
J. Alton Burks , Thomas C. Ruhe , Ellsworth R. Spencer
· 1990
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Effects of Selected Physical Agents on the Performance of Acoustically Absorptive Materials
J. Alton Burks , United States. Bureau of Mines , Thomas C. Ruhe , Ellsworth R. Spencer
· 1990
No image available
Interactions Between Multiple Seam Longwall and Room-and-pillar Operations: A Case Study in Boone County, WV
Alexander May , Bernard J. Steblay , Gregory J. Chekan , Gregory M. Molinda , Howard W. Kilau , J. Alton Burks , John C. Edwards , Richard J. Mainiero , Roy H. Grau , Thomas M. Barczak , David K. Ingram , James Reid Boyle , Lon D. Santis , Rudy J. Matetic , Thomas C. Ruhe , Thomas E. Marshall , Ellsworth R. Spencer
· 1989