http://qiserver.ugr.es/cod/2019352.cif
http://qiserver.ugr.es/cod/2019366.cif
http://qiserver.ugr.es/cod/2019367.cif
http://qiserver.ugr.es/cod/2019368.cif
http://qiserver.ugr.es/cod/2019369.cif
http://qiserver.ugr.es/cod/2310631.cif
http://qiserver.ugr.es/cod/2310711.cif
http://qiserver.ugr.es/cod/2310712.cif
http://qiserver.ugr.es/cod/2310713.cif
http://qiserver.ugr.es/cod/2310714.cif
http://qiserver.ugr.es/cod/2310715.cif
http://qiserver.ugr.es/cod/9011079.cif