エコマテリアル研究会

Proceedings of the Third International Conference on EcoBalance, November 25-27, 1998, Tsukuba Research Center, Agency of Industrial Science and Technology, Tsukuba, Japan : progress in LCA for a sustainable society

科学技術庁, 未踏科学技術協会, LCA日本フォーラム, 1998 .

Proceedings of the Second International Conference on EcoBalance, Nov. 18, 19 and 20, 1996, Tsukuba, Japan : the new stage of LCA as a common language

通商産業省, 科学技術庁, 産業環境管理協会, 1996 .