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. 2012;(21):319-326. doi:10.26565/2220-637X-2012-21-37