Sproge, Elina; Chornaja, Svetlana; Dubencovs, Konstantins; Zhizhkun, Svetlana; Kampars, Valdis; Serga, Vera; Kulikova, Lidija; Palcevskis, Eriks Journal of the Serbian Chemical Society, 2013 , vol. 78, # 9 p. 1359 - 1372