The Investigations of Beam Extraction and Collimation at U-70 Proton Synchrotron of IHEP by Using Short Silicon Crystals       2511
  A. Afonine, V.T. Baranov, V.M. Biryukov, V.N. Chepegin, Yu.A. Chesnokov, Y.S. Fedotov, V.I. Kotov, V.A. Maisheev, V.I. Terekhov, E.F. Troyanov, IHEP, Protvino, Moscow Region; A. Drees, D. Trbojevic, BNL, Upton, Long Island, New York; W. Scandale, CERN, Geneva; M.B.H. Breese, Singapore University, Surrey; V. Guidi, G. Martinelli, M. Stefancich, D. Vincenzi, University of Ferrara & INFN, Ferrara      
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