http://qiserver.ugr.es/cod/1000307.cif
http://qiserver.ugr.es/cod/1000308.cif
http://qiserver.ugr.es/cod/1000309.cif
http://qiserver.ugr.es/cod/1000310.cif
http://qiserver.ugr.es/cod/1000311.cif
http://qiserver.ugr.es/cod/1000312.cif
http://qiserver.ugr.es/cod/1000313.cif
http://qiserver.ugr.es/cod/1000314.cif
http://qiserver.ugr.es/cod/1000315.cif
http://qiserver.ugr.es/cod/1000316.cif
http://qiserver.ugr.es/cod/1000317.cif
http://qiserver.ugr.es/cod/1000318.cif
http://qiserver.ugr.es/cod/1517803.cif