http://qiserver.ugr.es/cod/1522935.cif
http://qiserver.ugr.es/cod/1523063.cif
http://qiserver.ugr.es/cod/1523784.cif
http://qiserver.ugr.es/cod/1525333.cif
http://qiserver.ugr.es/cod/1525334.cif
http://qiserver.ugr.es/cod/1525335.cif
http://qiserver.ugr.es/cod/1525336.cif
http://qiserver.ugr.es/cod/1537353.cif
http://qiserver.ugr.es/cod/1537657.cif
http://qiserver.ugr.es/cod/1538252.cif