1. Proposed correlation of data for isothermal two-phase, two-component flow in pipes;Lockhart;Chem Eng Proc,1949
2. The multiphase flow of gas, oil and water through vertical flow strings with application to the design of gas lift installations;Poettmann;Drill & Proc Pract API,1952
3. More data on two-phase vertical flow;Galegar;Pet Ref,1954
4. Investigation of density distribution, water and steam velocities and frictional pressure drop in horizontal and vertical upflow boiler tubes;Schwarz;Ver Deut Ing Forsch,1954
5. Upward co-current annular flow of air and water in smooth tubes;Calvert;AIChE J,1955