http://qiserver.ugr.es/cod/8103420.cif
http://qiserver.ugr.es/cod/8103648.cif
http://qiserver.ugr.es/cod/8103650.cif
http://qiserver.ugr.es/cod/8103662.cif
http://qiserver.ugr.es/cod/8103668.cif
http://qiserver.ugr.es/cod/8103674.cif
http://qiserver.ugr.es/cod/8103831.cif
http://qiserver.ugr.es/cod/8104186.cif
http://qiserver.ugr.es/cod/8104230.cif
http://qiserver.ugr.es/cod/8104235.cif
http://qiserver.ugr.es/cod/8104243.cif