http://qiserver.ugr.es/cod/5000114.cif
http://qiserver.ugr.es/cod/9004072.cif
http://qiserver.ugr.es/cod/9004073.cif
http://qiserver.ugr.es/cod/9004074.cif
http://qiserver.ugr.es/cod/9004075.cif
http://qiserver.ugr.es/cod/9004076.cif
http://qiserver.ugr.es/cod/9004077.cif
http://qiserver.ugr.es/cod/9004078.cif
http://qiserver.ugr.es/cod/9004080.cif