Johansson, G. (2001). Environmental performance requirements in product development: An exploratory study of two development projects. Dept. of Mechanical Engineering, Linköpings universitet.
Lua i Stíl Chicago (17ú heag.)Johansson, Glenn. Environmental Performance Requirements in Product Development: An Exploratory Study of Two Development Projects. Linköping: Dept. of Mechanical Engineering, Linköpings universitet, 2001.
Lua MLA (8ú heag.)Johansson, Glenn. Environmental Performance Requirements in Product Development: An Exploratory Study of Two Development Projects. Dept. of Mechanical Engineering, Linköpings universitet, 2001.
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