http://qiserver.ugr.es/cod/1527244.cif
http://qiserver.ugr.es/cod/1527841.cif
http://qiserver.ugr.es/cod/1539294.cif
http://qiserver.ugr.es/cod/1540041.cif
http://qiserver.ugr.es/cod/1540042.cif
http://qiserver.ugr.es/cod/1540043.cif
http://qiserver.ugr.es/cod/1540044.cif
http://qiserver.ugr.es/cod/1540045.cif
http://qiserver.ugr.es/cod/1540046.cif
http://qiserver.ugr.es/cod/1540047.cif
http://qiserver.ugr.es/cod/2002503.cif