http://qiserver.ugr.es/cod/1559896.cif
http://qiserver.ugr.es/cod/1559897.cif
http://qiserver.ugr.es/cod/1559898.cif
http://qiserver.ugr.es/cod/1559899.cif
http://qiserver.ugr.es/cod/1559900.cif
http://qiserver.ugr.es/cod/1559901.cif
http://qiserver.ugr.es/cod/1559902.cif
http://qiserver.ugr.es/cod/1559903.cif
http://qiserver.ugr.es/cod/1573952.cif