1. Block-Geometry functions characterizing transport in densely fissured media;Barker;J. Hydrol.,1985
2. Barker, J.A., 2003. Personal communicaction Argument presented as part of IAH and Geological Society Ineson Lecture. .
3. Beaven, R.P., Knox, K., Croft, B., 2001. Operation of a leachate recirculation trial in a landfill test cell. Sardinia 2001, International Waste Management and Landfill Symposium, S. Margherita di Pula, Cagliari, Sardinia, Italy, pp. 595–604.
4. Beaven, R., Hudson, A., 2002. Description of a tracer experiment for evaluating flows through waste. Waste 2002: Integrated waste management and pollution control: research, policy and practice. Stratford-Upon-Avon, Warwickshire.
5. Beaven, R.P., Barker, J.A., Hudson, A., 2003. Description of a tracer test through waste and application of a double porosity model. Sardinia 2003: Proceedings of the Ninth International Waste Management and Landfill Symposium, Margherita di Pula, Cagliari, Sardinia, Italy.