http://qiserver.ugr.es/cod/7117487.cif
http://qiserver.ugr.es/cod/7117489.cif
http://qiserver.ugr.es/cod/7117493.cif
http://qiserver.ugr.es/cod/7117494.cif
http://qiserver.ugr.es/cod/7117495.cif
http://qiserver.ugr.es/cod/7117496.cif
http://qiserver.ugr.es/cod/7117499.cif
http://qiserver.ugr.es/cod/7117501.cif
http://qiserver.ugr.es/cod/7117502.cif