You have an error in your SQL syntax; check the manual that corresponds to your MySQL 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
 

Journal of Economic Growth

Aiyar, S., C.J. Dalgaard and O. Moav (2008). ‘Technological progress and regress in pre-industrial times’. Journal of Economic Growth 13.2: 125–144.