http://qiserver.ugr.es/cod/1524730.cif
http://qiserver.ugr.es/cod/1526063.cif
http://qiserver.ugr.es/cod/1527833.cif
http://qiserver.ugr.es/cod/1528011.cif
http://qiserver.ugr.es/cod/1539462.cif
http://qiserver.ugr.es/cod/1539550.cif
http://qiserver.ugr.es/cod/1540272.cif
http://qiserver.ugr.es/cod/1540274.cif
http://qiserver.ugr.es/cod/1541238.cif