Ferenc, W., Czapla, K., Sarzyński, J. and Zwolinska, A. 2007. Complexes of 3,4-dimethoxybenzoic acid anion with Cu(II), Co(II), La(III), and Nd(III). Eclética Química. 32, 4 (Dec. 2007), 27–34. DOI:https://doi.org/10.26850/1678-4618eqj.v32.4.2007.p27-34.