1. Abdollahian, D., Healzer, J., Janssen, E., & Amos, C. (1982). Critical Flow Data Review and Analysis. Report NP-2192, EPRI.
2. Attou, A., & Franco, J. (1996). Simple and Double choked two-phase flow through sudden enlargements. In 2nd European Thermal Science Conference (pp. 1373–1380). Roma.
3. Attou, A., Bolle, L., Franco, J., & Seynhaeve, J. M. (1996). Flow Through Singularities and Ducts Downstream of Safety Valves. Final Report of Environment Program, Contract No. EV5V-CT93-0289, CEC, TERM, UCL.
4. Steady-state critical two-phase flashing flow with possible multiple choking phenomenon. Part 1: Physical modelling and numerical procedure;Attou;J. Loss Prevention in the Process Industries,1999
5. Bolle, L., Downar-Zapolski, P., Franco, J., & Seynhaeve, J. M. (1994). Two-phase flow through safety valves. In 3rd Belgian National Congress of Applied and Theoretical Mechanics (pp. 265–268). Liège.