1. S.R. Breon, R.A. Hopkins, and S J. Nieczkoski, Advances in Cryogenic Engineering, Plenum Press, New York (1992).
2. A.T. Serlemitsos, M. SanSebastian, and E. Kunes, Design of a spaceworthy adiabatic demagnetization refrigerator, Cryogenics. 32: 117 (1992).
3. R.A. Hopkins, S.J. Nieczkoski, and S.R. Breon, to be presented at the Space Cryogenics Workshop, San Jose, CA (1993).