Water supply for rural areas and small communities /
Wagner, Edmund G.
Water supply for rural areas and small communities / Edmund G. Wagner, J. N. Lanoix. - Geneva : World Health Organization, 1959. - 340 p. :
416
Water-supply, Rural.
628.72 / Wa
Water supply for rural areas and small communities / Edmund G. Wagner, J. N. Lanoix. - Geneva : World Health Organization, 1959. - 340 p. :
416
Water-supply, Rural.
628.72 / Wa