1. Das Aehnlichkeitsgesetz bei Reibungsvorgangen in Flussigkeiten;Blasius;Forschungsheft,1913
2. Laws for flow in rough pipes;Nikuradse;NACA TM,1950
3. The friction and heat-transfer coefficients rough pipes;Cope;Proc. Inst. Mech. Engrs.,1941
4. Proposed correlation of data for isothermal two-phase, two-component flow in pipes;Lockhart;Chem. Eng. Progress,1949
5. Heat transfer to evaporating refrigerants in two phase flow;Lavin;AI. Ch. E. Jl,1965