This author has not been identified. Look up 'Toshiyuki Amano' in GoogleThis author has not been identified. Look up 'Tsutomu Abe' in GoogleThis author has not been identified. Look up 'Osamu Nishikawa' in GoogleThis author has not been identified. Look up 'Tetsuo Iyoda' in GoogleThis author has not been identified. Look up 'Yukio Sato' in Google