http://qiserver.ugr.es/cod/1522220.cif
http://qiserver.ugr.es/cod/1522333.cif
http://qiserver.ugr.es/cod/1522335.cif
http://qiserver.ugr.es/cod/1524294.cif
http://qiserver.ugr.es/cod/1524755.cif
http://qiserver.ugr.es/cod/1524771.cif
http://qiserver.ugr.es/cod/1524772.cif
http://qiserver.ugr.es/cod/1538856.cif
http://qiserver.ugr.es/cod/1538899.cif
http://qiserver.ugr.es/cod/1538901.cif
http://qiserver.ugr.es/cod/1538903.cif