Hidden waters in arid lands
Subtitle: report of a workshop on groundwater research needs in arid and semi arid zones held in Paris, France, 25 November 1974
By: editor: L.A. Heindl.
Contributors: Heindl, L. A.; International Development Research Centre.
Series: IDRC -- 057e
Publisher: International Development Research Centre
Published: 1975
Place of publication: Ottawa
Language: eng