TY - JOUR A1 - Hillen, Walter T1 - Exclusive proton-antiproton production in two photon collisions . TASSO Collaboration T2 - Physics Letters B. 108 (1982), H. 1 Y1 - 1982 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2576 SN - 0370-2693 SP - 67 EP - 70 ER -