TY - RPRT TI - Coronal magnetic structures observing campaign. I - Simultaneous microwave and soft X-ray observations of active regions at the solar limb AU - Nitta, N. AU - White, S. M. AU - Kundu, M. R. AU - Gopalswamy, N. AU - Holman, G. D. AU - Brosius, J. W. PY - 1991 UR - https://ntrs.nasa.gov/citations/19910055390 ID - 19910055390 ER -