V. N. Zapol'skii

Splitting of a 50-GeV proton beam by a slightly disturbing bent crystal

A. Afonin, Y. Chesnokov, V. T. Baranov, 2009 .

First results on the focusing of a 70-GeV proton beam by a curved single crystal

A. I. Shchetkovskii, O. Fedin, V. Skorobogatov, 1991 .