LUDWIG, E. E. (1979). Apllied process design for chemical and petrochemical plants vol. 2. Gulf Publishinng Company.
Lua i Stíl Chicago (17ú heag.)LUDWIG, Ernest E. Apllied Process Design for Chemical and Petrochemical Plants Vol. 2. Gulf Publishinng Company, 1979.
Lua MLA (8ú heag.)LUDWIG, Ernest E. Apllied Process Design for Chemical and Petrochemical Plants Vol. 2. Gulf Publishinng Company, 1979.
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