Wagner, E. G.
Excreta disposal for rural areas and small communities / E. G. Wagner and J. N. Lanoix. - Geneva : World Health Organization, 1958. - 187 p. : ill. ; 25 cm.
Includes index.
43 43
Sanitary engineering.
628.4 / W175e
Excreta disposal for rural areas and small communities / E. G. Wagner and J. N. Lanoix. - Geneva : World Health Organization, 1958. - 187 p. : ill. ; 25 cm.
Includes index.
43 43
Sanitary engineering.
628.4 / W175e