edited by Giovanni G. Fazio ; sponsored by Committee on Space Research (COSPAR), International Astronomical Union (IAU), International Union of Radio Science (URSI)D. Reidelc1977
sponsored by Special Committee on Solar Terrestrial Physics (SCOSTEP), Committee on Space Research (COSPAR), International Astronomical Union (IAU) ; edited by M. A. Shea and D. F. Smart and S. T. WuD. Reidelc1977