http://qiserver.ugr.es/cod/1521239.cif
http://qiserver.ugr.es/cod/1521241.cif
http://qiserver.ugr.es/cod/1521415.cif
http://qiserver.ugr.es/cod/1521679.cif
http://qiserver.ugr.es/cod/1521958.cif
http://qiserver.ugr.es/cod/1521959.cif
http://qiserver.ugr.es/cod/1521960.cif
http://qiserver.ugr.es/cod/1521961.cif
http://qiserver.ugr.es/cod/1522275.cif
http://qiserver.ugr.es/cod/6000033.cif