2014:

• Technologies for delivery of proton and ion beams for radiotherapy, H. Owen et al., International Journal of Modern Physics A, Volume 29, 1441002 (2014).
  DOI: 10.1142/S0217751X14410024
• Hadron Accelerators for Radiotherapy, Hywel Owen, Ranald MacKay, Ken Peach, Susan Smith, http://www.tandfonline.com/doi/full/10.1080/00107514.2014.891313 Contemporary Physics 55(2), pp. 55 (2014)
  
• List of Accelerator Applications and Technologies (milestone report), R Edgecock  Accelerator-applications (Microsoft Excel)

2013:

• Technologies for Delivery of Proton and Ion Beams for Radiotherapy, Hywel Owen, David Holder, Jose Alonso, Ranald MacKay, arXiv:1310.0237 (2013), submitted to Int.J.Mod.Phys.A