http://qiserver.ugr.es/cod/1008270.cif
http://qiserver.ugr.es/cod/8103452.cif
http://qiserver.ugr.es/cod/8104361.cif
http://qiserver.ugr.es/cod/8104412.cif
http://qiserver.ugr.es/cod/8104437.cif
http://qiserver.ugr.es/cod/8104438.cif
http://qiserver.ugr.es/cod/8104502.cif
http://qiserver.ugr.es/cod/8104505.cif
http://qiserver.ugr.es/cod/9008315.cif
http://qiserver.ugr.es/cod/9008316.cif