Municipal and rural sanitation /
Ehlers, Victor Marcus
Municipal and rural sanitation / Victor M. Ehlers [and] Ernest W. Steel. - 6th ed. - New York : McGraw-Hill, [1965]. - 663 p. : ill. - McGraw-Hill series in sanitary science and water resources engineering .
07-0019089-5
Sanitation.
Sanitary engineering.
Public health
Municipal and rural sanitation / Victor M. Ehlers [and] Ernest W. Steel. - 6th ed. - New York : McGraw-Hill, [1965]. - 663 p. : ill. - McGraw-Hill series in sanitary science and water resources engineering .
07-0019089-5
Sanitation.
Sanitary engineering.
Public health