By Puddephatt, Richard J., Monaghan, P.K.
By Roche, P.K.
By Lovell, M.A., Harvey, P.K.
By van Gunsteren, W.F., Weiner, P.K., Wilkinson, A.J.
By van Gunsteren, W.F., Weiner, P.K.
By Trabant, P.K.
By Harvey, P.K., Lovell, M.A.
By Lovell, M.A., etc., Williamson, Gail, Harvey, P.K.