1. Airey, E.M. (1971) A theory of gas emission in coal mining operations.MRDE Report, No. 21, Bretby, Mining and Research and Development Establishment, UK, 25 pp.
2. Battino, S., Clark, D.A. and Larkings, R.H. (1984) Progress in the prevention of instantaneous gas and coal outbursts at Metropolitan Colliery, inThe Co-ordinating Committee on Outburst Related Research, Mini Seminar Report No. 4, 25 pp.
3. Beamish, B.B. (1981) CCP No. 2 Mine, 51 Level West panel, report on continuous face monitoring using a gas analysing system. Collinsville Coal Company P/L Technical Report No. R101, 49 pp.
4. Beamish, B.B. and Williams, R.J. (1982) Continuous gas monitoring ? No. 2 Mine, Collinsville, inThe Co-ordinating Committee on Outburst Related Research, Mini Seminar Report No. 2, 10 pp.
5. Beamish, B.B. (1984a) CCP No. 2 Mine, 48 Level West panel, report on continuous face monitoring using a gas analysing system. Collinsville Coal Company P/L Technical Report No. CCP-007-84, 43 pp.