1. Heat transfer and pressure drop in rough pipes;Nunner;VDI-Forsch.,1959
2. Pressure loss and heat transfer for turbulent flow;Koch;VDI-Forsch.,1958
3. Ameloration du transfert de chaleur par l'emploi de surfaces corrugees;Gargaud;Commissariat a L'energy Atomique, Report CEA-R 2464,1964