Air resources planning and engineering : proceedings

- Pittsburgh Sanitary Engineering Conference, 6th, University of Pittsburgh, 1965
- University of Pittsburgh. Institute of Local Government
- American Society of Civil Engineers

著者

- Pittsburgh Sanitary Engineering Conference, 6th, University of Pittsburgh, 1965
- University of Pittsburgh. Institute of Local Government
- American Society of Civil Engineers

Institute of Local Government, University of Pittsburgh, [1965]

Sponsored by American Society of Civil Engineers and others

Includes bibliographical references