5Andreas Dittrich,Peter Larsen and Peter Ergenzinger( Research Engineer,Institute of Hydraulic Structures and AgriculturalEngineering, University of Karlsruhe,Kaiserstr.12,D-76128 Karlsruhe, F.R. Germanyzpeter Larsen, the same institute aslPeter Ergenzing.GRAIN SORTING AND ARMOURING LEADING TO NAXIMUM BED STABILITY[J].International Journal of Sediment Research,1994,9(3):28-35.
