Cheng, H.H.ChengWu, TtTtWuTSUNG-TSONG WU2020-04-282020-04-2819700556-2821https://scholars.lib.ntu.edu.tw/handle/123456789/487176[SDGs]SDG7Photon-Photon Scattering Close to Forward Directionjournal article10.1103/PhysRevD.1.3414WOS:A1970H008100028