http://qiserver.ugr.es/cod/9017735.cif
http://qiserver.ugr.es/cod/9017736.cif
http://qiserver.ugr.es/cod/9017737.cif
http://qiserver.ugr.es/cod/9017738.cif
http://qiserver.ugr.es/cod/9017739.cif
http://qiserver.ugr.es/cod/9017740.cif
http://qiserver.ugr.es/cod/9017741.cif
http://qiserver.ugr.es/cod/9017742.cif
http://qiserver.ugr.es/cod/9017743.cif