%0 conference lecture %@ %A Bellmann, D.,Klatt, M.,Kampmann, R.,Wagner, R. %D 1997 %J International Conference on Neutron Scattering (ICNS '97) %N %P %T Improvement of the double crystal diffractometer at the Geesthacht Neutron Facility (GeNF) by means of perfect channel-cut silicon crystals %U %X