1. Aitkenhead, N., Bridge, D., Riley, N. J., Kimbell, S. F., Evans, D. J., & Humphreys, B. (1992). Geology of the country around Garstang. London: Memoir of the British Geological Survey, Sheet 67 (England & Wales).
2. Andrews, I. J. (2013). The Carboniferous Bowland Shale gas study: Geology and resource estimation. London: British Geological Survey for Department of Energy and Climate Change.
3. Aplin, A. C., & Macquaker, J. H. S. (2011). Mudstone diversity: Origin and implications for source, seal, and reservoir properties in petroleum systems. AAPG Bulletin,95, 2031–2059.
4. Arthurton, R. S., Johnson, E. W., & Mundy, D. J. C. (1988). Geology of the country around settle. London: Memoir of the British Geological Survey.
5. Behar, F., Kressmann, S., Rudkiewicz, J. L., & Vandenbroucke, M. (1992). Experimental simulation in a confined system and kinetic modelling of kerogen and oil cracking. Organic Geochemistry,19, 173–189.