1. Consider materials development in a global scale — concept of ecomaterials and development of metallic materials (in Japanese);Yagi;Kinzoku,1993
2. Materials design for minimizing environmental load — ecomaterials (in Japanese);Yagi;Bull Jpn Inst Met,1997
3. Environmental life cycle analysis of PM products (in Japanese);Halada;J Jpn Soc Powder Powder Metall,1994
4. The Society of Non-Traditional Technology. Report of Basic Study on Evaluation System of Environmental Load, supported by FY 1994 Special Coordination Funds for Promoting Science and Technology, March 1995, pp. 65–84.
5. Research project on structural materials for 21st Century;Satou;Bull Iron Steel Inst Jpn,1998