1. Häfele, W. and Starr, C., A Perspective on Fusion and Fission Breeders in Fast Breeder Reactor Economics, ed. P. Zaleski. Plenum Publishing Co., 1974.
2. Liquid metal reactor fuel cycle options for lowest costs;Braun;Proceedings of the European Nuclear Society,1986
3. Häfele, W. et al., Energiesysteme Übergang—Unter den Bedingungen der Zukunft, Lndsberg/Lech; mi-Poller, 1990, p. 8.
4. Vautry, L., Economical Aspects of Advanced PWRs. CGEMP Report, University of Paris, 1991.