Energy Economics and Management in Industry, Proceedings of the European Congress. Volume 2: Energy Management., Location: Algarve, Port, Sponsors: Ministerio da Educacao e Univ, Port;Inst Nacional de Investigacao Cientifica, Port;Junta Nacional de Investigacao Cientifica e Tecnologica, Port;Direccao Geral de Energia;Inst de Apoio as Pequenas e Medias Empresas Industriais;et al