Macková, A., Peřina, V., Havránek, V., Špirková, J., Třešňáková, P., Salavcová, L. The complementary RBS and PIXE study of erbium incorporated into glass surface for optical waveguide structures. In: Proceedings of the International Conference on Particle Induced X-Ray Emission and its Analytical Applications, PIXE 2004 /10./. Portoroz: J. Stefan Institute, 2004, s. 852.1-852.3. ISBN 961-6303-62-7.