http://qiserver.ugr.es/cod/1509282.cif
http://qiserver.ugr.es/cod/1509421.cif
http://qiserver.ugr.es/cod/1509474.cif
http://qiserver.ugr.es/cod/1509490.cif
http://qiserver.ugr.es/cod/1536947.cif
http://qiserver.ugr.es/cod/1536949.cif
http://qiserver.ugr.es/cod/1536952.cif
http://qiserver.ugr.es/cod/1536955.cif
http://qiserver.ugr.es/cod/1536958.cif
http://qiserver.ugr.es/cod/2002568.cif
http://qiserver.ugr.es/cod/2002569.cif