1. Production of heavy water. National Nuclear Energy Series. III-4F;Murphy,1995
2. Production of heavy water;Bebbington;Chem Eng Prog,1959
3. New process for separation of gas mixture and isotopes;Clusius;Naturwiss,1938
4. The separation-tube process for liquid;Clusius;Naturwiss,1939
5. Separation of liquid mixture in the Clusius separation tube;Korsching;Naturwiss,1939