Berger, C, Genzel, H, Grigull, R, Lackas, W, Raupach, F, Klovning, A, Lillestöl, E, Lillethun, E, Skard, JA, Ackermann, H
, Alexander, G, Barreiro, F, Bürger, J, Criegee, L, Dehne, HC, Devenish, R, Eskreys, A, Flügge, G, Franke, G, Gabriel, W, Gerke, C, Knies, G, Lehmann, E, Mertiens, HD, Michelsen, U, Pape, KH, Reich, HD, Stella, B, Ranga Swamy, TN, Timm, U, Wagner, W, Waloschek, P, Winter, GG, Zimmermann, W, Achterberg, O, Blobel, V, Boesten, L, Kapitza, H, Koppitz, B, Lührsen, W, Maschuw, R, van Staa, R, Spitzer, H, Chang, CY, Glasser, RG, Kellogg, RG, Lau, KH, Sechi-Zorn, B, Skuja, A, Welch, G, Zorn, GT, Bäcker, A, Brandt, S, Derikum, K, Diekmann, A, Grupen, C, Meyer, HJ, Neumann, B, Rost, M, Zech, G, Azemoon, T, Daum, HJ, Meyer, H, Meyer, O, Rössler, M, Schmidt, D & Wacker, K 1979, '
Hadron production from photon-photon interactions in the CM energy range from 1 to 5 GeV',
Physics Letters B, vol. 89, no. 1, pp. 120-124.
https://doi.org/10.1016/0370-2693(79)90088-1