Magnetic Properties of Ni(II) Complexes of (hydrazone)imine 1,2,3-triketones: Intramolecular Exchange Interaction Y. Shvachko, D. Starichenko, A. Korolev, V. Ustinov, D. Boukhvalov, V. Irkhin, O. Khudina, E. Schegolkov, Y. Burgart, V. Saloutin and O. ChupakhinNew Achievements in Materials and Environmental Sciences Names, (2007) 179-182DOI: https://doi.org/10.1051/names2007036