Water quality management library: theory and practice by Eckenfelder, W. Wesley, Grau, Petr, Malina, Joseph F., Patterson, Jamews W. 0 Type: Book
Activated sludge process design and control: theory and practice by Eckenfelder, W. Wesley, Grau, Petr fromWater quality management library 0 Type: Book
Developing industrial water pollution control programs: a primer by Eckenfelder, W. Wesley 0 Type: Book
