by Fry, J.R., Noble, P.R., Evans, W.H., Moreton, A., Ekspong, G., Gennow, H., Johansson, E., Lundborg, P., Nilsson, S., Norrby, J., Yamdagni, Y., Fenker, H., Marraffino, J., Reucroft, S., Roos, C., Webster, M.
Published in Nuclear physics. B (01.01.1979)