TY - RPRT TI - Vlf electric field observations in the magnetosphere AU - Coroniti, F. V. AU - Fredricks, R. W. AU - Kennel, C. F. AU - Mcgehee, J. H. AU - Scarf, F. L. PY - 1970 UR - https://ntrs.nasa.gov/citations/19710030803 ID - 19710030803 ER -