1. The choking pressure ratio of a critical flow venturi;Hillbrath;J. Eng. Ind.,1975
2. Unchoking pressure ratio for critical flow venturis;Britton,1997
3. Choking phenomena of sonic nozzles at low Reynolds numbers;Nakao;Flow Meas. Instrum.,2000
4. Investigation into the premature unchoking phenomena of critical flow venturis;Caron,2000
5. The ongoing investigation into the premature unchoking phenomena of critical flow venturis;Caron,2001