U.S. Environmental Protection Agency. Principles of design and operations of wastewater treatment pond systems for plant operators, engineers, and managers.
Chicago-Zitierstil (17. Ausg.)U.S. Environmental Protection Agency. Principles of Design and Operations of Wastewater Treatment Pond Systems for Plant Operators, Engineers, and Managers.
MLA-Zitierstil (9. Ausg.)U.S. Environmental Protection Agency. Principles of Design and Operations of Wastewater Treatment Pond Systems for Plant Operators, Engineers, and Managers.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.