http://qiserver.ugr.es/cod/1000056.cif
http://qiserver.ugr.es/cod/1010197.cif
http://qiserver.ugr.es/cod/1010198.cif
http://qiserver.ugr.es/cod/1511411.cif
http://qiserver.ugr.es/cod/1528479.cif
http://qiserver.ugr.es/cod/1528480.cif
http://qiserver.ugr.es/cod/1528482.cif
http://qiserver.ugr.es/cod/4000487.cif
http://qiserver.ugr.es/cod/7103991.cif
http://qiserver.ugr.es/cod/8100918.cif
http://qiserver.ugr.es/cod/9004064.cif