1. J.B. Peterson, P.L. Richards, J.L. Bonomo, and T. Timusk, Proceedings of the Conference on Inner Space/Outer Space, Fermilab, Batavia, Illinois, May 2?5, 1984 (to be published). The application is similar to that described in D.P. Woody and P.L. Richards, Ap. J.248, 18 (1981).
2. Technical Bulletin 2?13, Eccosorb CR, Emerson & Cuming, Inc., Canton, Massachusetts 02021.
3. Technical Bulletin 2?6, Eccosorb MF, Emerson & Cuming, Inc., Canton, Massachusetts 02021.
4. Private communication, Mr. Luoma, Emerson & Cuming, Inc.
5. Private communication, F. Kremer and A. Poglitsch, Max-Planck-Institut fur Festkorperforschung, Stuttgart.