http://qiserver.ugr.es/cod/1557221.cif
http://qiserver.ugr.es/cod/1557471.cif
http://qiserver.ugr.es/cod/1557472.cif
http://qiserver.ugr.es/cod/1557473.cif
http://qiserver.ugr.es/cod/1557474.cif
http://qiserver.ugr.es/cod/1558001.cif
http://qiserver.ugr.es/cod/1558494.cif
http://qiserver.ugr.es/cod/1558495.cif
http://qiserver.ugr.es/cod/1558496.cif
http://qiserver.ugr.es/cod/1558497.cif
http://qiserver.ugr.es/cod/1558498.cif
http://qiserver.ugr.es/cod/1559274.cif