You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'ORDER BY `year`, issue ) QQ WHERE `year`<2100 ORDER BY modified DESC LIMIT 0, 5' at line 1 Bibliographies | Miko Flohr
 

European Economic Review

Feldman, M.P. and D.B. Audretsch (1999). ‘Innovation in cities: Science-based diversity, specialization and localized competition’. European Economic Review 43.2: 209–229.