Ehlers, Victor M. 1884-1959.
Municipal and rural sanitation /
[by] Victor M. Ehelrs [and] Ernest W. Steel.
- 5th ed.
- New York : McGraw-Hill, 1958.
- 596 p.: illus. 24 cm.
57010904
Sanitation.
Sanitary engineering.
Public health.
Rural health.
628 / EHM 1958