1. Potentiometric and aquifer property changes above subsiding Longwall mine panels, Illinois basin coalfield;Booth;Journal of Groundwater,1992
2. Design practices for multiple-seam longwall mines;Chekan,1993
3. Practice and knowledge of coal mining under water bodies;Chuen,1979
4. Critical review of strata movement theories and their application to practical problems;Denkhaus;Journal of the Southern African Institute of Mining and Metallurgy,1964