1. Taniguchi, H., and Wakai, K. “Study on Thermodynamical External Work (1st Report),” Bulletin of Engineering of Hokkaido University,No. 58,Hokkaido Univ., Sapporo,1970, pp.53-74(in Japanese).
2. Taniguchi, H., and Wakai, K. “Study of Thermodynamical External Work (2nd Report),” Bulletin of Engineering of Hokkaido University,No. 61,Hokkaido Univ., Sapporo,1971, pp.1-16(in Japanese).