http://qiserver.ugr.es/cod/9012953.cif
http://qiserver.ugr.es/cod/9012954.cif
http://qiserver.ugr.es/cod/9012955.cif
http://qiserver.ugr.es/cod/9012957.cif
http://qiserver.ugr.es/cod/9012958.cif
http://qiserver.ugr.es/cod/9012959.cif
http://qiserver.ugr.es/cod/9012960.cif
http://qiserver.ugr.es/cod/9012961.cif
http://qiserver.ugr.es/cod/9012962.cif