Site selective spectroscopy and RBS/channeling in optically active ion doped LiNbO3 crystals J. GARCIA SOLE, A. LORENZO, T. PETIT, G. BOULON, B. ROUX et H. JAFFREZIC J. Phys. IV France, 04 C4 (1994) C4-293-C4-296 DOI: 10.1051/jp4:1994472