http://qiserver.ugr.es/cod/1522419.cif
http://qiserver.ugr.es/cod/1522837.cif
http://qiserver.ugr.es/cod/1522838.cif
http://qiserver.ugr.es/cod/1522839.cif
http://qiserver.ugr.es/cod/1522840.cif
http://qiserver.ugr.es/cod/1522841.cif
http://qiserver.ugr.es/cod/1540900.cif
http://qiserver.ugr.es/cod/1540901.cif
http://qiserver.ugr.es/cod/1540902.cif
http://qiserver.ugr.es/cod/1541030.cif