TY - RPRT TI - Evidence for delayed second phase acceleration in solar flares AU - Willett, J. B. AU - Ling, J. C. AU - Mahoney, W. A. AU - Riegler, G. R. AU - Jacobson, A. S. PY - 1982 UR - https://ntrs.nasa.gov/citations/19830038815 ID - 19830038815 ER -