Complex Compounds of Ti(IV), Ni(II), Cu(II) and Zn(II) with 3-Hydroxypicolinic acid (3-HPA) and 3,5-Dinitrosalicylic acid (3,5-DNSA) as Precursors of Micro- and Nano-sized Oxides. - Han, D. L.; Utenyshev, A.; Shilov, G.; Lobanov, N.; Kovalchukova, O. (Pakistan Journal of Chemistry, 2025)