Ehlers, Victor Marcus, 4 0 1844-1959.
Municipal and rural sanitation / 6 6 [by] Victor M. Ehlers [and] Ernest W. Steel. - 6th ed. - - xiv, 663 p. : illus. 24 cm. - - - - - . - McGraw-Hill series in sanitary science and water resources engineering . - 0 . - . - 0 .
Includes bibliographies.
5
5
2 = =
64018401
GB65-5434 2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
Sanitation.;Sanitary engineering.;Public health.;Rural health. --------20--
--------20--
----2
RA425 / .E5 19652
614 / 2
/
WA670 / .E33m 1965
Municipal and rural sanitation / 6 6 [by] Victor M. Ehlers [and] Ernest W. Steel. - 6th ed. - - xiv, 663 p. : illus. 24 cm. - - - - - . - McGraw-Hill series in sanitary science and water resources engineering . - 0 . - . - 0 .
Includes bibliographies.
5
5
2 = =
64018401
GB65-5434 2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
Sanitation.;Sanitary engineering.;Public health.;Rural health. --------20--
--------20--
----2
RA425 / .E5 19652
614 / 2
/
WA670 / .E33m 1965