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D. R. Walz, L. R. Lucas, E. J. Seppi, R. J. Vetterlein, and H. A. Weidner, “Beam Dumps, Energy Slits and Collimators at SLAC - - Their Final Versions and First Performance Data”, in Proc. 2nd Particle Accelerator Conf. (PAC'67), Washington D.C., USA, Mar. 1967, pp. 923-928. |
