1. H. Padamsee, “Status and Issues of Superconducting RF Technology”, CLNS 87/65.
2. G. Mueller and H. Padamsee, “High-Temperature Annealing of Superconducting Cavities Fabricated from High Purity Niobium”, 1987 Particle Accelerator Conference, Washington, D.C.
3. Personal communication with Dr. Gunter Mueller, University of Wuppertal, W. Germany.
4. Niederman, Ph. et al., J. Appl. Phys. 59, 892 (1986).
5. Niederman, Ph., Ph.D Thesis No. 2197, 2197 of Geneva (1986).