http://qiserver.ugr.es/cod/1537332.cif
http://qiserver.ugr.es/cod/1537443.cif
http://qiserver.ugr.es/cod/1537444.cif
http://qiserver.ugr.es/cod/1537445.cif
http://qiserver.ugr.es/cod/1537461.cif
http://qiserver.ugr.es/cod/1537462.cif
http://qiserver.ugr.es/cod/1537580.cif
http://qiserver.ugr.es/cod/1538343.cif
http://qiserver.ugr.es/cod/2002192.cif