Ehlers, Victor M. 1884-1959.

Municipal and rural sanitation / [by] Victor M. Ehelrs [and] Ernest W. Steel. - 6th ed. - New York : McGraw-Hill, 1958. - 663 p.: illus. 24 cm.

57010904


Sanitation.
Sanitary engineering.
Public health.
Rural health.

628 / EHM 1958