http://qiserver.ugr.es/cod/1100183.cif
http://qiserver.ugr.es/cod/1100242.cif
http://qiserver.ugr.es/cod/1510031.cif
http://qiserver.ugr.es/cod/1510568.cif
http://qiserver.ugr.es/cod/1511346.cif
http://qiserver.ugr.es/cod/1521314.cif
http://qiserver.ugr.es/cod/1522135.cif
http://qiserver.ugr.es/cod/1522158.cif
http://qiserver.ugr.es/cod/1541707.cif
http://qiserver.ugr.es/cod/1541709.cif
http://qiserver.ugr.es/cod/5000145.cif