http://qiserver.ugr.es/cod/1521343.cif
http://qiserver.ugr.es/cod/1525811.cif
http://qiserver.ugr.es/cod/1531689.cif
http://qiserver.ugr.es/cod/1532701.cif
http://qiserver.ugr.es/cod/1532702.cif
http://qiserver.ugr.es/cod/1532704.cif
http://qiserver.ugr.es/cod/1532706.cif
http://qiserver.ugr.es/cod/1534814.cif
http://qiserver.ugr.es/cod/2009364.cif
http://qiserver.ugr.es/cod/4110100.cif
http://qiserver.ugr.es/cod/4341858.cif
http://qiserver.ugr.es/cod/4518920.cif