1. Spitzer, L., Grove, D.J., Johnson, W.E., Tonks, L. and Westendrop, W.F., Problems of the Stellarator as a Useful Power Source, USAEC Report NYO-6047 (1954)
2. Ablation of hydrogen pellets in hydrogen and helium plasmas
3. Solid hydrogen pellet injection into the Ormak tokamak
4. Private communication K. Büchl and K. Büchl et al., 9th Symp. on Engineering Problems of Fusion Research, Chicago, October 26–29, 1982, Proceedings pp. 1725–1728
5. Colchin, R.J., Oak Ridge National Laboratory, private communication (1976)