http://qiserver.ugr.es/cod/1000072.cif
http://qiserver.ugr.es/cod/1000260.cif
http://qiserver.ugr.es/cod/1000261.cif
http://qiserver.ugr.es/cod/1001408.cif
http://qiserver.ugr.es/cod/1001409.cif
http://qiserver.ugr.es/cod/1008436.cif
http://qiserver.ugr.es/cod/1529535.cif
http://qiserver.ugr.es/cod/1529821.cif
http://qiserver.ugr.es/cod/1530168.cif
http://qiserver.ugr.es/cod/1530638.cif