World water balance and water resources of the earth /

                                                                                                                
333.91WOR
   World water balance and water resources of the earth / .- Paris:Unesco,1978.
  663p. :ill.;24cm(Hb)
  Note: Includes bibliographical references
  ISBN:9231014978     Rs. 00.00

  Cen Lib/Ret /920063/ 920063 /   0.00 /sign

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