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Lua i Stíl Chicago (17ú heag.)Ellenberger, J. Phillip 267629. Piping and Pipeline Calculations Manual: Construction, Design Fabrication and Examination. Burlington, MA : Butterworth-Heinemann, 2010.
Lua MLA (9ú heag.)Ellenberger, J. Phillip 267629. Piping and Pipeline Calculations Manual: Construction, Design Fabrication and Examination. Burlington, MA : Butterworth-Heinemann, 2010.
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