Burlaga, L., Lepping, R., Weber, R., Armstrong, T., Goodrich, C., Sullivan, J., et al. (1980). Interplanetary particles and fields, November 22 to December 6, 1977: Helios, Voyager, and IMP observations between 0.6 and 1.6 AU. Journal Geophysical Research, 85, 2227-2242.