http://qiserver.ugr.es/cod/1523362.cif
http://qiserver.ugr.es/cod/1523660.cif
http://qiserver.ugr.es/cod/1523661.cif
http://qiserver.ugr.es/cod/1523662.cif
http://qiserver.ugr.es/cod/1523663.cif
http://qiserver.ugr.es/cod/1523664.cif
http://qiserver.ugr.es/cod/1523665.cif
http://qiserver.ugr.es/cod/1527095.cif
http://qiserver.ugr.es/cod/1534189.cif
http://qiserver.ugr.es/cod/1537316.cif