TY - JOUR T1 - Overview of ligand versus metal centered redox reactions in tetraaza macrocyclic complexes of nickel with a focus on electron paramagnetic resonance studies JO - Journal of the Brazilian Chemical Society A1 - Telser, Joshua SN - 0103-5053 UL - 10.1590/S0103-50532010000700002 VL - 21 Y1 - 2010 PB - Brasil ER -