1. A review of N.C. loops in PWR and other systems;Zvirin;Nucl. Eng. Des.,1981
2. Natural circulation loops;Greif;J. Heat Transfer,1988
3. Effect of loop diameter on the stability of single-phase natural circulation in rectangular loops;Vijayan,1992
4. Preliminary stability results obtained from the operation of a simple natural circulation loop;Frogheri,1997
5. Experiments in single-phase natural circulation;Frogheri,1997