Incoherent X-radiation produced by relativistic electrons in crystals V.B. Gavrikov, V.P. Likhachev, J.D.T. Arruda-Neto and A.L. Bonini Eur. Phys. J. A, 12 4 (2001) 487-493 Published online: 15 December 2001 DOI: 10.1007/s10050-001-8671-3