1. G. R. Wagner, S. S. Shen, R. E. Schwall, A. Petrovich, and M. S. Walker: IEEE Trans. Magn. MAG-15: 228 (1979).
2. D. K. Finnemore, J. D. Verhoeven, E. D. Gibson, and J. E. Ostenson: IEEE Trans. Magn. MAG-15: 693 (1979).
3. S. S. Shen and R. E. Schwall: Proc. 7th Int. Cryogenic Eng. Conf., IPC Science and Technology Press, Surrey (1979).
4. W. A. Fietz, private communication.
5. S. S. Shen, “Magnetic Properties of NbßSn Composites Made Without Intermediate Annealing”, to be published.