@misc{indiciae2815d7e46b06, title = {Solar cycle changes in the polar solar wind}, author = {Coles, W. A. and Rickett, B. J. and Rumsey, V. H. and Kaufman, J. J. and Turley, D. G. and Ananthakrishnan, S. and Armstrong, J. W. and Harmons, J. K. and Scott, S. L. and Sime, D. G.}, year = {1980}, url = {https://ntrs.nasa.gov/citations/19800058887}, note = {Source identifier: 19800058887} }