000			00507nam a2200217zu 4500
008
040			_aEN
041			_aEN
082	0	4	_a628.72 _bW927
110			_aWHO
245	1	0	_aPreventive maintenance of rural water supplies /
260			_aGeneva : _bWHO, _c[19-?].
300			_a36p. ; _c24 cm.
500			_aIncludes annexes.
650		4	_aEngineering.
655		4	_aRural water supply.
655		4	_aMaintenance.
655		4	_aMaintenance equipment.
942			_cBOOK
999			_c121167 _d121167