Inquiry on the database should be addressed to: Takashi Watanabe WDC for Cosmic Rays Solar-Terrestrial Environment Laboratory, Nagoya University Nagoya 464-8601, Japan e-mail: wdccr (at) stelab.nagoya-u.ac.jp e-mail: wdccr21 (at) yahoo.co.jp TEL: +81 52-747-6350 FAX: +81 52-789-5891