id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-260	Vacek, J.	Stress Distribution in a Coal Seam before and after Bump Initiation	2001	7	.pdf	application/pdf	2315	116	69	We observed the mechanism and the history of coal bumps. 5 Conclusion A combination of experimental and mathematical models appears very appropriate for a study of the stress distribu- tion in a coal seam before and after bump initiation.	cache/ap-260.pdf	txt/ap-260.txt