http://qiserver.ugr.es/cod/1010157.cif
http://qiserver.ugr.es/cod/1010158.cif
http://qiserver.ugr.es/cod/1010159.cif
http://qiserver.ugr.es/cod/1010729.cif
http://qiserver.ugr.es/cod/1011145.cif
http://qiserver.ugr.es/cod/1011379.cif
http://qiserver.ugr.es/cod/1011382.cif
http://qiserver.ugr.es/cod/1538836.cif
http://qiserver.ugr.es/cod/9009785.cif