1. Aguado MBD, Nicieza CG (2007) Control and prevention of gas outbursts in coal mines, Riosa-Olloniego coalfield, Spain. Int J Coal Geol 69:253–266
2. Anderson SB (1995) Outbursts of methane gas and associated mining problems experienced at Twistdraai Colliery. International Symposium Cum-Workshop on Management and Control of High Gas Emissions and Outbursts in Underground Coal Mines. Wollongong, Australia, 20–24 March, pp 423–434
3. Aydın H (2010) Evaluation of the risk of coal workers pneumoconiosis (CWP): a case study for the Turkish hardcoal mining. Sci Res Essays 5(21):3289–3297
4. Aziz N, Black D, Ren T (2011) Mine gas drainage and outburst control in Australian underground coal mines. Procedia Eng 26:84–92
5. Baimukhametov S, Polchin A, Dauov T et al (2009) Gate road development in high gas content coal seams at Karaganda Basin Coal Mines, Kazakhstan. In: Aziz N (ed) Coal 2009: coal operators’ conference, University of Wollongong and the Australasian Institute of Mining and Metallurgy, pp 90–95