Evolution of the Relationships between Helium Abundance, Minor Ion Charge State, and Solar Wind Speed over the Solar CycleDOI: info:10.1088/0004-637X/745/2/162v. 745No. 2
Kasper, J. C., Stevens, Michael L., Korreck, K. E., Maruca, B. A., Kiefer, K. K., Schwadron, N. A., and Lepri, S. T. 2012. "Evolution of the Relationships between Helium Abundance, Minor Ion Charge State, and Solar Wind Speed over the Solar Cycle." The Astrophysical Journal, 745, (2). https://doi.org/10.1088/0004-637X/745/2/162.