1. J.C. Clayton, Westinghouse Bettis Atomic Power Laboratory WAPD-T-3007 (1993).
2. W.J. Babyak, L.B. Freeman, H.F. Raab, Nuclear News, pp. 114–116 (1988).
3. S. Şahin, Ş. Yalçın, K.Yıldız, H. M. Şahin, A. Acır, and N. Şahin, Ann. Nuc. Energy. 35, 690–703 (2008).
4. J. Yu, K, Wang, and R. Sollychin, Prog. Nucl. Energy. 45, 71–84 (2004).
5. P. D. Wilson and K. F. Ainsworth, International Atomic Energy Agency IAEA-TECDOC--1319 (2002).