Hywel Owen, Antony Lomax, Simon Jolly -
Current and future accelerator technologies for charged particle therapy             
 (2016) Advances in detectors and applications for medicine     
Published in Nucl. Instrum. Meth. A 809 96-104pp.
DOI: 10.1016/j.nima.2015.08.038 
https://www.sciencedirect.com/science/article/pii/S0168900215009729