Cheng, H.H.ChengWu, TtTtWuTSUNG-TSONG WU2020-04-282020-04-2819690031-899Xhttps://scholars.lib.ntu.edu.tw/handle/123456789/487184High-Energy Collision Processes in Quantum Electrodynamics .2.journal article10.1103/PhysRev.182.1868WOS:A1969E151000066