http://qiserver.ugr.es/cod/1539097.cif
http://qiserver.ugr.es/cod/1539098.cif
http://qiserver.ugr.es/cod/1539099.cif
http://qiserver.ugr.es/cod/1539100.cif
http://qiserver.ugr.es/cod/1539101.cif
http://qiserver.ugr.es/cod/1539102.cif
http://qiserver.ugr.es/cod/1539103.cif
http://qiserver.ugr.es/cod/1539104.cif