1. Origin of low cross-helicity regions in the solar wind;Bruno;J. Geophys. Res.,1991
2. “Alfvénic” versus “standard” turbulence in the solar wind;Grappin;Ann. Geophys.,1991
3. MHD turbulence in the solar wind;Marsch,1991
4. Turbulence and waves in the solar wind, U.S. National Report 1987–1990;Roberts;Rev. Geophys., suppl.,1991
5. Large-scale structure of interplanetary medium;Schwenn,1991