edited by Pretsch, et al. edited by M.G.Say, et al. edited by R.Greef, et al. edited by R.Keese,et al. edited by Jurg Waser, et al. edited by J.Bassett, et al. edited by Alfred V.Aho, et al. edited by J.Burgue, et al. edited by J.T.Wade, et al. edited by Ernst Weber, et al.