Christoph, M., U. Ulbrich, U. Haak, 1995: Faster determination of the intraseasonal variability of stormtracks using Murakami's recursive filter. Mon. Wea. Rev., 123, 578 - 581.
Ulbrich, U., H.-F. Graf, I. Kirchner, 1995: The impact of El Niño and volcanic forcing on the atmospheric energy cycle and the zonal mean atmospheric circulation. Beitr. Phys. Atmosph., 68, 59 - 74., auch erschienen in: Max-Planck-Institut für Meteorologie Hamburg, Report Nr. 133, 24 pp
Ulbrich, U., 1995: Comments on „Large-scale aspects of the United States hydrologic cycle. Bull. Amer. Meteorol. Soc., 76, No. 9, 391-392.