00728cam a2200217   45000010008000000030008000080050017000160080041000330100017000740400027000910820016001181100020001342450092001542600039002463000025002854900035003105040041003456500040003866500028004267100056004544099314BD-DhUL20170418110609.0740307s1967    nyu      bs  i000 0 eng    a   74152343   aDLCcDLCdDLCdBD-DhUL  a551.49bUNM2 aUnited Nations.00aMethods and techniques of ground-water investigation and development /cUnited Nations.  aNew York :bUnited Nations,c1967.  aix, 206 p. ;c28 cm. 0aWater resources seriesvno. 33  aIncludes bibliographical references. 0aInternational business enterprises. 0aCorporations, American.2 aUnited Nations Conference on Trade and Development.