TY - RPRT TI - Expected IPS variations due to a disturbance described by a 3-D MHD model AU - Tappin, S. J. AU - Dryer, M. AU - Han, S. M. AU - Wu, S. T. PY - 1988 UR - https://ntrs.nasa.gov/citations/19890033962 ID - 19890033962 ER -