Cr3+, Nd3+ multisites, pairs and energy transfer processes in laser crystal YAlO3 J.A. MARES, G. BOULON, A. BRENIER, L. LOU, S.R. ROTMAN et H. LURIA J. Phys. IV France, 04 C4 (1994) C4-385-C4-388 DOI: 10.1051/jp4:1994492