00936nam#a2200289zcb4500 990000000350203331 AT-OBV 20230419173228.0 tu 921016|1992####|||###########|||#|#eng#c AC00515788 (AT-OBV)AC00515788 AC00515788 (Aleph)000000035ACC01 (DE-599)OBVAC00515788 TUW ger rakwb eng XD-US Organiscak, John A. aut Relationship of coal seam parameters and airborne respirable dust at longwalls by J. A. Organiscak, S. J. Page, and R. A. Jankowski Washington, DC 1992 18 S. graph. Darst. Report of investigations / United States Department of the Interior, Bureau of Mines 9425 Literaturverz. S. 14 Page, Steven J. aut Jankowski, Robert A. aut (AT-OBV)AC00073533 9425