http://qiserver.ugr.es/cod/1000284.cif
http://qiserver.ugr.es/cod/1001452.cif
http://qiserver.ugr.es/cod/1001453.cif
http://qiserver.ugr.es/cod/1001454.cif
http://qiserver.ugr.es/cod/1001455.cif
http://qiserver.ugr.es/cod/1001456.cif
http://qiserver.ugr.es/cod/1001457.cif
http://qiserver.ugr.es/cod/1006025.cif
http://qiserver.ugr.es/cod/1006026.cif
http://qiserver.ugr.es/cod/1006027.cif
http://qiserver.ugr.es/cod/1008481.cif
http://qiserver.ugr.es/cod/1537800.cif
http://qiserver.ugr.es/cod/1540223.cif