1. Pioneer and Voyager observations of the solar wind at large heliocentric distances and latitudes;Gazis;Geophys. Res. Lett.,1989
2. Solar wind and coronal structure near sunspot minimum: Pioneer and SMM observations from 1985–1987;Mihalov;J. Geophys, Res.,1990
3. Distant solar wind plasma–view from the Pioneers;Barnes,1990
4. Mihalov, J.D., A. Barnes, F.B. McDonald, J.T. Burkepile, and A.J. Hundhausen, Concerning solar sources for cycle 22 solar wind activity in the outer heliosphere, this volume.
5. P.R. Gazis, A. Barnes, J.D. Mihalov, and A.J. Lazarus, The structure of the inner heliosphere from Pioneer Venus and IMP observations, this volume.