TY - BOOK AU - Bartel, W. Ed. AU - Ruckl, R. Ed. TI - Proceedings of the 1987 International Symposium on lepton and photon interactions at high energies, Hamburg, 27-31, 1987: Proc.Int.Symp., 1987 CY - Amsterdam KW - Lepton and Photon KW - High Energies ER -