1. Aromatic structures in coal maceral extracts and kerogens;Allan,1983
2. Knowledge of methane potential for coalbed resources grows, but needs more study;Ayers;Oil Gas J.,1991
3. Learning to produce coalbed methane;Ayoub;Oilfield Rev.,1991
4. Primary migration: the importance of water-mineral-organic matter interactions in the source rock;Barker,1980
5. Generation of anomalous internal pressure in source rocks and its role in driving petroleum migration;Barker;Rev. Inst. Fr. Pétr.,1988