PHOTON PAIR PRODUCTION BY EPSILON+EPSILON- ANNIHILATION AND SEARCH FOR SUPERSYMMETRIC PHOTINOS AT ENERGIES GREATER THAN 40 GEV - ALTHOFF, M; BRAUNSCHWEIG, W; KIRSCHFINK, FJ; LUBELSMEYER, K; MARTYN, HU; ROSSKAMP, R; SCHMITZ, D; SIEBKE, H; WALLRAFF, W; EISENMANN, J; FISCHER, HM; HARTMANN, H; et al. (ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1984)