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