1. W. Dietz, Structural materials, in: R.W. Cahn, P. Haasen, E.J. Kramer (Eds.), Materials Science & Technol. A Comprehensive Treatment, Nuclear Materials, vol. 10B, 1994, p. 53 (Chapter 8).
2. C.E. Coleman, B.A. Cheadle, C.D. Cann, J.R. Theaker, Development of pressure tubes with service life greater than 30 years, in: E.R. Bradley, G.P. Sabol (Eds.), Zr in the Nucl Ind.: 11th Intl. Symp., ASTM STP 1295, 1996, p. 884.
3. Assessment of aging of Zr2.5Nb pressure tubes in CANDU™ reactors