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2. The Effect of Coal Composition upon Gas Sorption and Tranmissibility in Bituminous Coal;Clarkson,1994
3. Variation in surface area and micropore size distribution with composition of medium volatile bituminous coal of the Gates Formation, northeastern British Columbia: implications for coalbed methane potential;Clarkson;Current Research, Part E. Geol. Surv. Can. Pap., 93-1,1993
4. Natural fractures in coal;Close,1993
5. Importance, genesis, and recognition of fracture permeability in Fruitland coalbed methane reservoirs of the northern San Juan Basin, Colorado and New Mexico;Close,1990