“Synthesis and investigation of molecular and crystal structure of coordination polymer of neodime nitrate(III) with 4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecan-2,8-dion (spirocarbon – SK)”, Khark. Univ. Bull. Chem. Ser., no. 21, pp. 319–326, Dec. 2012, doi: 10.26565/2220-637X-2012-21-37.