http://qiserver.ugr.es/cod/1548893.cif
http://qiserver.ugr.es/cod/1548894.cif
http://qiserver.ugr.es/cod/1548895.cif
http://qiserver.ugr.es/cod/1548896.cif
http://qiserver.ugr.es/cod/1549712.cif
http://qiserver.ugr.es/cod/1550029.cif
http://qiserver.ugr.es/cod/1550030.cif
http://qiserver.ugr.es/cod/1550031.cif
http://qiserver.ugr.es/cod/1550205.cif