http://qiserver.ugr.es/cod/1527327.cif
http://qiserver.ugr.es/cod/1529790.cif
http://qiserver.ugr.es/cod/1535017.cif
http://qiserver.ugr.es/cod/2104218.cif
http://qiserver.ugr.es/cod/2106443.cif
http://qiserver.ugr.es/cod/4030428.cif
http://qiserver.ugr.es/cod/4124101.cif
http://qiserver.ugr.es/cod/4124102.cif
http://qiserver.ugr.es/cod/4124103.cif
http://qiserver.ugr.es/cod/7222725.cif
http://qiserver.ugr.es/cod/8104058.cif