Zhamanbayeva, M., Abilova, M., MussabekovaА. and Shaldybayeva, A. (2012) “IR-spectroscopic study of nickel complexes with 2,2-dipyridil and citric acid”, Chemical Bulletin of Kazakh National University, 65(1), pp. 58-61. doi: https://doi.org/10.15328/chemb_2012_158-61.