1. The University of Utah neutrino detector
2. The University of Utah neutrino detector
3. The University of Utah neutrino detector
4. Arapahoe Chemicals, Inc., 2855 Walnut, Boulder, Colorado 80302, U.S.A.
5. Harshaw scintillation phosphors, 2nd ed. (The Harshaw Chemical Co., Crystal-Solid State Division, Cleveland, Ohio 44106, U.S.A.) p. 38.