TY - RPRT TI - An equatorial coronal hole at solar minimum AU - Bromage, B. J. I. AU - DelZanna, G. AU - DeForest, C. AU - Thompson, B. AU - Clegg, J. R. PY - 1997 UR - https://ntrs.nasa.gov/citations/19990028057 ID - 19990028057 ER -