http://qiserver.ugr.es/cod/1528348.cif
http://qiserver.ugr.es/cod/1528811.cif
http://qiserver.ugr.es/cod/1528812.cif
http://qiserver.ugr.es/cod/1528888.cif
http://qiserver.ugr.es/cod/1528900.cif
http://qiserver.ugr.es/cod/1528901.cif
http://qiserver.ugr.es/cod/1528902.cif
http://qiserver.ugr.es/cod/1528903.cif