1. Proc. Int. Symp. on Lepton and Photon Interactions at High Energies;Stone,1983
2. Proc. Int. Symp. on Lepton and Photon Interactions at High Energies;Hitlin,1983
3. The crystals for these tests were manufactured by Bicron Corp., 12345 Kinsman Rd., Newbury, Ohio; BDH Chemicals, Ltd., Broom Rd., Poole, England; Harshaw/Filtrol Corp., 6801 Cochran Rd., Solon, Ohio; Horiba, Ltd., Kyoto, Japan.