000			00672nam a2200217Ia 4500
003			OSt
005			20170305034737.0
008			120912s9999 xx 000 0 und d
040			_cACKU
043			_aa-af---
082			_aPamphlet Z 7935 .P655 1986
100			_aPollock, J. Bruce.
245			_aGravity flow water systems : reasons for failure; references [from the M.Sc. thesis of] J.B. Pollock.
260			_a[S.l. : s.n.], 1986.
300			_a[18] p. ; 29 cm.
650			_aWater-supply – Bibliography.
650			_aWater-supply – Planning – Bibliography.
650			_aWater conservation – Bibliography.
906			_a768
942			_2lcc _cMON
999			_c12049 _d12049