1. of Winglets on the Aerodynamic C h a r a c t e r i s t i c s o f t h e Gates L e a r j e t Model Airplane i n t h e llSU 7 x 10 Foot Low Speed Wind Tunnel - Test l l S U I X " , Gates L e a r j e t Report, November 1976.
2. High Subsonic Speeds f o r Wing-Tip Mounted Winglets", NASA TN 0-8260, J u l y 1976.