000			00339 a2200145 4500
080			_a551.49(252)(063) _bU 58
245	1		_aProceedings _bVol. II _cby H. Martin
260			_bUNESCO _c1953
650			_aArid Zone
650			_aHydrology
440			_aV. 2 _vUNESCO, arid zone research
100			_a _d
300			_a268 p.
901			_a84632
999			_c30083 _d30083