1. CO-CRYSTALLIZATION OF MERCAPTO-1,3,4-THIADIAZOLE DERIVATIVES WITH ORTHO-FUNCTIONALIZED PYRIDINES AND SPECTRAL CHARACTERIZATION IN SOLID STATE. Authors: VASILE N. BERCEAN, MONICA M. VENTER, ANDREA E. PASCUI.2. SOLID STATE STRUCTURE OF A NEW NICKEL(II) (3H-2-THIOXO-1,3,4-THIADIAZOL-2-YL) THIOACETATO COMPLEX. Authors: LELIA CIONTEA, TRAIAN PETRIŞOR JR., VIOREL SASCA, RICHARD A. VARGA, VASILE N. BERCEAN, MONICA M. VENTER.