00929nam#a2200277zcb4500 990000000270203331 AT-OBV 20230212173147.0 tu 931012|1993####|||###########|||#|#eng#c AC00723319 (AT-OBV)AC00723319 AC00723319 (Aleph)000000027ACC01 (DE-599)OBVAC00723319 TUW ger rakwb eng XD-US Pazuchanics, Michael J. aut Recent progress in discriminating between coal cutting and rock cutting with adaptive signal processing techniques by Michael J. Pazuchanics and Gary L. Mowrey Washington, DC 1993 15 S. graph. Darst. Report of investigations / United States Department of the Interior, Bureau of Mines 9475 Literaturverz. S. 15 S. Mowrey, Gary L. aut (AT-OBV)AC00073533 9475