1. Coal-bed Methane in China;Zhang,1991
2. Some investigation on the coal gas desorption characteristics;Dubianyiwen;Safety Coal Mines,1985
3. Beihaidao coal gas desorption characteristics and gas outburst index;Dubianyiwen;Safety Coal Mines,1985
4. Preliminary study on the law of cinder gas emission changing with time;Yang;Safety Coal Mines,1986
5. Experimental research on the rule of gas emission;Yang;Safety Coal Mines,1987