http://qiserver.ugr.es/cod/1502624.cif
http://qiserver.ugr.es/cod/1507560.cif
http://qiserver.ugr.es/cod/1518612.cif
http://qiserver.ugr.es/cod/1540381.cif
http://qiserver.ugr.es/cod/1540382.cif
http://qiserver.ugr.es/cod/1540383.cif
http://qiserver.ugr.es/cod/1540384.cif
http://qiserver.ugr.es/cod/1540385.cif
http://qiserver.ugr.es/cod/1540386.cif
http://qiserver.ugr.es/cod/1546557.cif
http://qiserver.ugr.es/cod/1547518.cif
http://qiserver.ugr.es/cod/1558560.cif