Não informado. (2004). Flow line: A magazine of measurement and control. Rockwell Manufacturing.
Lua i Stíl Chicago (17ú heag.)Não informado. Flow Line: A Magazine of Measurement and Control. Pittsburgh, Pa: Rockwell Manufacturing, 2004.
Lua MLA (8ú heag.)Não informado. Flow Line: A Magazine of Measurement and Control. Rockwell Manufacturing, 2004.
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