http://qiserver.ugr.es/cod/1010817.cif
http://qiserver.ugr.es/cod/1010818.cif
http://qiserver.ugr.es/cod/1010819.cif
http://qiserver.ugr.es/cod/1010820.cif
http://qiserver.ugr.es/cod/1010828.cif
http://qiserver.ugr.es/cod/1010829.cif
http://qiserver.ugr.es/cod/1010830.cif