http://qiserver.ugr.es/cod/1507761.cif
http://qiserver.ugr.es/cod/1507767.cif
http://qiserver.ugr.es/cod/1507768.cif
http://qiserver.ugr.es/cod/1507769.cif
http://qiserver.ugr.es/cod/9014019.cif
http://qiserver.ugr.es/cod/9014315.cif
http://qiserver.ugr.es/cod/9014987.cif
http://qiserver.ugr.es/cod/9015390.cif
http://qiserver.ugr.es/cod/9015401.cif
http://qiserver.ugr.es/cod/9015813.cif
http://qiserver.ugr.es/cod/9016022.cif
http://qiserver.ugr.es/cod/9016227.cif
http://qiserver.ugr.es/cod/9016342.cif