http://qiserver.ugr.es/cod/1541537.cif
http://qiserver.ugr.es/cod/1541538.cif
http://qiserver.ugr.es/cod/1541539.cif
http://qiserver.ugr.es/cod/1541540.cif
http://qiserver.ugr.es/cod/1541542.cif
http://qiserver.ugr.es/cod/9004064.cif
http://qiserver.ugr.es/cod/9004065.cif
http://qiserver.ugr.es/cod/9004066.cif
http://qiserver.ugr.es/cod/9004067.cif
http://qiserver.ugr.es/cod/9004068.cif
http://qiserver.ugr.es/cod/9004069.cif