00442nam a22001217a 4500008004100000040005500041080001700096245007500113260007700188300001000265650002100275653002400296230622b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a628.1:65bL2  aWater management gestion de l'eau: bBasic issues aspects fondamentaux  aFrance: bOrganisation for Economic Co-operation and Development, c1972  a546p.  aWater management  aBasin area planning