1. Heat transfer in channels having rough and smooth surfaces;Hall;J. Mech. Engng Sci,1962
2. Calculation of heat transfer and flow resistance of rough and smooth surfaces contained in a single passage;Wilkie,1966
3. On the interpretation of heat transfer and pressure drop tests on roughened rods in smooth circular channels;Nathan,1970
4. An improved method for analysing heat transfer and pressure drop tests on roughened rods in smooth channels;Warburton,1973
5. Strömungsgesetze in rauhen Rohren;Nikuradse;ForschHft. Ver. Dt. Ing,1933