by Ackroyd, K.S., Kinder, S.H., Mant, G.R., Miller, M.C., Ramsdale, C.A., Stephenson, P.C.
Published in IEEE software (01.07.2008)

by Nave, C, Buffey, S G, Bailey, M W, Kinder, S H, Ackroyd, K, Duke, E H M
Published in AIP conference proceedings (12.05.2004)