1. Some experimental results on sphere and disk drag;Roos;AIAA J.,1971
2. “Free-Flight Measurements of Sphere Drag at Subsonic, Transonic, Supersonic, and Hypersonic Speeds for Continuum, Transition, and near-Free-Molecular Flow Conditions.” (No. AEDC-TR-70-291). Arnold Engineering Development Center Arnold AFS TN;Bailey,1971
3. Experiments on the flow past spheres at very high Reynolds numbers;Achenbach;J. Fluid Mech.,1972
4. Bubbles, Drops and Particles;Clift,1978
5. Drag coefficient and terminal velocity of spherical and nonspherical particles;Haider;Powder Technol.,1989