http://qiserver.ugr.es/cod/1535740.cif
http://qiserver.ugr.es/cod/1535744.cif
http://qiserver.ugr.es/cod/1536210.cif
http://qiserver.ugr.es/cod/1536213.cif
http://qiserver.ugr.es/cod/1536216.cif
http://qiserver.ugr.es/cod/1536219.cif
http://qiserver.ugr.es/cod/1536221.cif
http://qiserver.ugr.es/cod/1536225.cif
http://qiserver.ugr.es/cod/1536229.cif