1. Linsheng X. An experimental study of induced caving of very strong thick massive roof by high pressure water jetting. In: International symposium on mining technology & science, China Institute of Mining & Technology, Xezhou, China, China Coal Industry Publishing House, Transtech Publications; 1985. p. 82–91.
2. Directional hydraulic fracturing and the possibilities of its utilization;Konopko;Prace Naukowe,1997
3. Mills KW, Jeffrey RG, Jones DW. Successful application of hydraulic fracturing to control windblast hazard at Moonee colliery. In: 19th conference ground control in mining, West Virginia University, Morgantown, WV; 2000.
4. The investigation into strata control failures at caved longwall faces in India and a new approach for support planning to avoid such occurrences;Sarkar;J Mines, Met Fuels,1979
5. Sarkar SK, Dhar BB. Strata control failures at caved longwall faces in India—experience from Rana to Churcha (1964 to 1990). In: Proceedings of the fourth Asian mining congress, Calcutta, India; 1993. p. 361–80.