1. Fatigue tests of welding elbows and comparable double-miter bends;Markl;Transactions of ASME,1947
2. Fatigue tests on flanged assemblies;Markl;Transactions of ASME,1950
3. Fatigue tests of piping components;Markl;Transactions of ASME,1952
4. Piping-flexibility analysis;Markl;Transactions of ASME,1955
5. Effect of internal pressure on flexibility and stress-intensification factors of curved pipe or welding elbows;Rodabaugh;Transactions of ASME,1957