http://qiserver.ugr.es/cod/1535420.cif
http://qiserver.ugr.es/cod/1539166.cif
http://qiserver.ugr.es/cod/9000087.cif
http://qiserver.ugr.es/cod/9000088.cif
http://qiserver.ugr.es/cod/9000089.cif
http://qiserver.ugr.es/cod/9000090.cif
http://qiserver.ugr.es/cod/9000091.cif
http://qiserver.ugr.es/cod/9000092.cif
http://qiserver.ugr.es/cod/9000093.cif