TY - RPRT TI - A model for multiple throat structures in the polar cap flow entry region AU - Moses, J. J. AU - Siscoe, G. L. AU - Heelis, R. A. AU - Winningham, J. D. PY - 1988 UR - https://ntrs.nasa.gov/citations/19880066218 ID - 19880066218 ER -