1. SPECTROSCOPIC INVESTIGATION OF SOME UO22+ POLYOXOMETALATE COMPLEXES. Authors: L. DAVID, A. MARCU, I.B. COZAR, D. COZMA, I. HAUER, N.L. MOGONEA.2. SPECTROSCOPIC STUDIES OF SOME METALLIC COMPLEXES WITH PHENYLALANINE AS LIGAND. Authors: A. BEBU, I.B. COZAR, L. MOGONEA, D. COZMA, CS. NAGY, L. DAVID.