1. Secondary flow in helical coils;Kubair;Ind. J. Technol.,1963
2. Secondary flow in spiral coils;Kubair;Ind. J. Technol.,1964
3. Friction factors for turbulent flow in curved pipes;Ito;J. Bas. Engng.,1959
4. Flow of Newtonian fluids in Archimedian spiral tube coils: correlation of the laminar, transition and turbulent flows;Kubair;Ind. J. Technol.,1966
5. Streamline flow through curved pipes;White,1929