Ehlers, Victor M.

Municipal and rural sanitation / Victor M. Ehelrs and Ernest W. Steel. - 5th ed. - New York, McGraw-Hill, c1958. - 596 p. : ill. ; 24 cm.




English

57010904

GB58-7483


Sanitation.
Sanitary engineering.
Public health.
Rural health.

RA425 / .E5 1958

614/EHM