1. Anon (1974). Lifts will make stage debut without guide rails. Engineering News Record, 192(14), 4.
2. Anon (1989). Eiffel Tower — a century of history. Elevator World, 37(11), 38–43.
3. Shiplift at Strepy-Thieu, Canal du Centre, Belgium;Brouet;Proceedings of the institution of civil engineers,1998
4. Hydraulic and traction elevators — a comparative study;Edwards;Elevator World,1989
5. Old lion still running strong;Hayes;Elevator World,1999