1. Bernard, S. et al. Formation of nanoporous pyrobitumen residues during maturation of the Barnett Shale (Fort Worth basin). Int. J. Coal Geol. 103, 3–11 (2012).
2. Hill, R. J., Jarvie, D. M., Zumberge, J., Henery, M. & Pollastro, R. M. Oil and gas geochemistry and petroleum systems of the Fort Worth Basin. Am. Assoc. Pet. Geol. Bull. 91, 445–473 (2007).
3. Jarvie, D. M., Hill, R. J. & Pollastro, R. M. in Unconventional Energy Resources in the Southern Midcontinent, 2004 Symposium (ed. Cardott, B. J.) 37–50 (Oklahoma Geological Survey Circular 110, 2005).
4. Jarvie, D. M., Hill, R. J., Ruble, T. E. & Pollastro, R. M. Unconventional shale-gas systems: the Mississippian Barnett Shale of north-central Texas as one model for thermogenic shale-gas assessment. Am. Assoc. Pet. Geol. Bull. 91, 475–499 (2007).
5. Zumberge, J., Ferworn, K. & Brown, S. Isotopic reversal (‘rollover’) in shale gases produced from the Mississippian Barnet and Fayetteville formations. Mar. Pet. Geol. 31, 43–52 (2012).