http://qiserver.ugr.es/cod/1527330.cif
http://qiserver.ugr.es/cod/1527331.cif
http://qiserver.ugr.es/cod/1527687.cif
http://qiserver.ugr.es/cod/1527794.cif
http://qiserver.ugr.es/cod/1527998.cif
http://qiserver.ugr.es/cod/1528122.cif
http://qiserver.ugr.es/cod/1528246.cif
http://qiserver.ugr.es/cod/1528247.cif
http://qiserver.ugr.es/cod/1528248.cif
http://qiserver.ugr.es/cod/1528249.cif
http://qiserver.ugr.es/cod/1528250.cif