TY - JOUR A1 - Filatova, E. O. A1 - Taracheva, E. Y. A1 - Andre, J.-M. A1 - Mertins, H.-Ch. A1 - Abramsohn, D. T1 - Polarisation Effect in the X--Ray Reflection of Hexagonal BN Crystal JF - Journal of Electron Spectroscopy and Related Phenomena Y1 - 2005 VL - 144 - 147 SP - 937 EP - 939 ER -