00848cam|a2200169 i 450000500170000000800410001703500150005805000150007311000430008824502390013126000750037030000110044544001050045665000340056171000420059571000410063720260818132644.0140301s1979 it r 0000|0 eng | a.b1031759400aTD426bS631 aSpain.bInstitute of Geology and Mines10aGroundwater pollution :btechnology, economics and management /cby ... in cooperation with the Massachusetts Institute of Technology. Within the framework of the FAO/UNDP/Government of Spain project on groundwater protection in Spain aRome :bFood and Agriculture Organization of the United Nations,c1979 a137 p. 0aFood and Agriculture Organization of the United Nations. FAO irrigation and drainage paper ;vno. 31 0aWater, UndergroundxPollution10aMassachusetts Institute of Technology10aUnited Nations Development Programme