Makepeace, J L; Altzitzoglou, T*; Cassette, P*; Dryak, P*; Gunter, E*; Hurtgen, C*; Radoszewski, T*; Simpson, B*; Unterweger, M P* (1998) International comparison of measurements of the specific activity of tritiated water. Appl. Radiat. Isot., 49 (9-11). pp. 1411-1416.
Makepeace, J L; Day, F E*; Gunter, E*; Unterweger, M P* (1995) Intercomparison of measurements of tritiated water by internal proportional counting. Nucl. Instrum. Methods Phys. Res., A369 (2-3). pp. 458-462.