A STUDY OF 2-PHOTON PRODUCTION OF 2-BODY FINAL-STATES WITH INVARIANT MASS GREATER THAN 2.0 GEV - BERGER, C; GENZEL, H; GRIGULL, R; LACKAS, W; RAUPACH, F; WAGNER, W; KLOVNING, A; LILLESTOL, E; OLSEN, M; ACKERMANN, H; ALEXANDER, G; BELLA, G; et al. (Nuclear Physics b, 1982)