http://qiserver.ugr.es/cod/8103457.cif
http://qiserver.ugr.es/cod/8103541.cif
http://qiserver.ugr.es/cod/8104515.cif
http://qiserver.ugr.es/cod/8104521.cif
http://qiserver.ugr.es/cod/8104523.cif
http://qiserver.ugr.es/cod/9008399.cif
http://qiserver.ugr.es/cod/9008400.cif
http://qiserver.ugr.es/cod/9008401.cif
http://qiserver.ugr.es/cod/9008402.cif
http://qiserver.ugr.es/cod/9008403.cif
http://qiserver.ugr.es/cod/9008404.cif