TY - RPRT TI - Solitons versus parametric instabilities during ionospheric heating AU - Nicholson, D. R. AU - Payne, G. L. AU - Downie, R. M. AU - Sheerin, J. P. PY - 1984 UR - https://ntrs.nasa.gov/citations/19840054102 ID - 19840054102 ER -