Paramagnetic copper(II) and diamagnetic copper(I) complexes with N3S2 and N2S2 ligands: an EPR and 1H NMR studyG Serratrice, A El Marzouki, C Béguin, A Jeunet, S Refaif, P Chautemps and JL PierreJ. Chim. Phys., 91 (1994) 753-760DOI: https://doi.org/10.1051/jcp/1994910753