Municipal and rural sanitation /
614.7EHL
Ehlers, Victor M.
Municipal and rural sanitation / by Victor M. Ehlers [and] Ernest W. Steel.- 6th ed.-London:McGraw-Hill Book Company,1958.
xiv, 663p. :ill;21cm(Hb)
Note: Includes index
ISBN: Rs. 00.00
Cen Lib/Ret /405074/ 405074 / 0.00 /sign