Water supply for rural areas and small communities /
Wagner, Edmund Glenn.
Water supply for rural areas and small communities / Edmund G. Wagner, J. N. Lanoix. - Geneva : World Health Organization, 1959. - 337 p. - World Health Organization monograph series ; no. 42 .
ara eng fre rus spa.
9241400420
Water supply.
WA 675
Water supply for rural areas and small communities / Edmund G. Wagner, J. N. Lanoix. - Geneva : World Health Organization, 1959. - 337 p. - World Health Organization monograph series ; no. 42 .
ara eng fre rus spa.
9241400420
Water supply.
WA 675