1. proposal for TRISTAN experiment;Arai;TRISTAN-EXP001,1983
2. Nippon Kogaku KK, 2-3 Marunouchi 3-chome, Chiyoda-ku, Tokyo, Japan.
3. A Test of Lead Glass Shower Counters
4. T. Sumiyoshi, K. Ogawa and F. Takasaki, in preparation.
5. Hamamatsu Catalogue,1983