00758nam0-2200277---450-99000969565040332120130318135246.0000969565FED01000969565(Aleph)000969565FED0100096956520130318d1961----km-y0itay50------bafreFR--------001yy<<La >>science et l'avenir des terres aridesGilbert F. WhiteParisUnesco1961107 p.22 cmWhite,Gilbert F.271206ITUNINARICAUNIMARCBK990009695650403321ISVE Q1.165504DECTSDECTSScience et l'avenir des terres arides843207UNINA