1. EPR AND HF-EPR OF METALLIC CLUSTERS INCORPORATED IN SOME SUPRAMOLECULAR SYSTEMS. Authors: O. COZAR, L. DAVID, M. RUSU, VASILE CHIŞ.2. SPECTROSCOPIC AND MAGNETIC INVESTIGATION OF TETRANUCLEAR MN(II) CLUSTER ENCAPSULATED IN SANDWICH-TYPE HETEROPOLYANION. Authors: M. HOSSU, D. RUSU, M. RUSU, L. DAVID, A. MARCU.