http://qiserver.ugr.es/cod/1509312.cif
http://qiserver.ugr.es/cod/1509796.cif
http://qiserver.ugr.es/cod/1522439.cif
http://qiserver.ugr.es/cod/1522440.cif
http://qiserver.ugr.es/cod/1522600.cif
http://qiserver.ugr.es/cod/1527756.cif
http://qiserver.ugr.es/cod/1538583.cif
http://qiserver.ugr.es/cod/1538721.cif
http://qiserver.ugr.es/cod/1540226.cif
http://qiserver.ugr.es/cod/1540228.cif