http://qiserver.ugr.es/cod/1557240.cif
http://qiserver.ugr.es/cod/1557241.cif
http://qiserver.ugr.es/cod/1557242.cif
http://qiserver.ugr.es/cod/1557243.cif
http://qiserver.ugr.es/cod/1557745.cif
http://qiserver.ugr.es/cod/1557746.cif
http://qiserver.ugr.es/cod/1558995.cif
http://qiserver.ugr.es/cod/1558996.cif
http://qiserver.ugr.es/cod/1559974.cif
http://qiserver.ugr.es/cod/1559975.cif
http://qiserver.ugr.es/cod/1559976.cif
http://qiserver.ugr.es/cod/1559977.cif