Conference: International Workshop on Cold Moderators for Pulsed Neutron Sources, Argonne, IL (United States), 29 Sep - 2 Oct 1997; Other Information: In: Proceedings of the International Workshop on Cold Moderators for Pulsed Neutron Sources, Iverson, E.B and Carpenter, J.M. (eds.), 1997, sponsored by OECD, under the MegaScience Forum