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