Hadley, Mark J.. (2011) The asymmetric Kerr metric as a source of CP violation. EPL (Europhysics Letters), Vol.95 (No.2). Article 21003. ISSN 0295-5075

Hadley, Mark J. (2007) A gravitational explanation for quantum theory non-time-orientable manifolds. In: 8th International Symposium on Frontiers of Fundamental Physics, Madrid, SPAIN, OCT 17-19, 2006. Published in: Frontiers of Fundamental Physics, 905 pp. 146-152.

Hadley, Mark J.. (2002) The orientability of spacetime. Classical and Quantum Gravity, 19 (17). pp. 4565-4571. ISSN 0264-9381

Hadley, Mark J. (1996) A gravitational theory of quantum mechanics. PhD thesis, University of Warwick.