1. A versatile compact wind tunnel for industrial aerodynamics;Barrett;University of Bristol, Dept. of Aeronautical Engineering Report No. RVB/7001,1970
2. A compact dual purpose wind tunnel;Boswell;Aircraft Engng,1970
3. The design of contra-rotating fans;Collar;J.R. Aeronaut. Soc.,1963
4. The design of a wind tunnel for industrial aerodynamics;Lawson,1966