Ferenc, W., K. Czapla, J. Sarzyński, and A. Zwolinska. “Comparison of Some Properties of 2,3- and 3,4-Dimethoxybenzoates of Cu(II), Co(II) and Nd(III)”. Eclética Química, vol. 33, no. 2, June 2008, pp. 07-12, doi:10.26850/1678-4618eqj.v33.2.2008.p07-12.