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 issue DESC, `year` DESC ) QQ WHERE `year`<2100 ORDER BY modified DES...' at line 1 Bibliographies | Miko Flohr
 

Stein, R. (2014). The Roman Water Pump. Monographies instrumentum 48. Montagnac: Mergoil.
Arveiller, V. and H. Cabart (2012). Le verre en Lorraine et dans les régions voisines.. Monographies instrumentum 42. Montagnac: Mergoil.