by Essex, C G, Symonds, M S, Sheppard, R J, Grant, E H, Lamote, R, Soetewey, F, Rosseneu, M Y, Peeters, H
Published in Physics in medicine & biology (01.11.1977)

by Essex, C G, Grant, E H, Sheppard, R J, South, G P, Symonds, M S, Mills, G L, Slack, J
Published in Annals of the New York Academy of Sciences (30.12.1977)