TY - RPRT TI - Two-Step Forecast of Geomagnetic Storm Using Coronal Mass Ejection and Solar Wind Condition AU - Kim, R.-S. AU - Moon, Y.-J. AU - Gopalswamy, N. AU - Park, Y.-D. AU - Kim, Y.-H. PY - 2014 UR - https://ntrs.nasa.gov/citations/20150007958 ID - 20150007958 ER -