TY - RPRT TI - Steepened structures in equatorial spread F. 1: New observations AU - Hysell, D. L. AU - Kelley, M. C. AU - Swartz, W. E. AU - Pfaff, R. F. AU - Swenson, C. M. PY - 1994 UR - https://ntrs.nasa.gov/citations/19950033433 ID - 19950033433 ER -