http://qiserver.ugr.es/cod/1510102.cif
http://qiserver.ugr.es/cod/1534325.cif
http://qiserver.ugr.es/cod/1537398.cif
http://qiserver.ugr.es/cod/1537399.cif
http://qiserver.ugr.es/cod/1537400.cif
http://qiserver.ugr.es/cod/1537401.cif
http://qiserver.ugr.es/cod/1537402.cif
http://qiserver.ugr.es/cod/1537403.cif