00669nam a2200145Ia 4500008004100000010001300041040001700054082002400071110004600095245008100141260005100222300001500273500018100288650005400469190328s9999||||xx |||||||||||||| ||und||  a74-10058  aNITILcNITIL  221sta333.91bN277M  aNational Academy of Sciences (Washington) 0aMore water for arid landsbpromising technologies and research opportunities  aWashingtonbNational Academy of Sciencesc1974  avii, 153p.  aReport of an ad-hoc panel of the Advisory committee on Technology Innovation Board on Science and Technology for International Development Commission on International Relations  aWater supply; Arid soils; Arid region agriculture