Agrarpolitik: OECD C 500.270 

Irrigation-policies countries O-E-C-D. -
Irrigation Pol~c~es ~n O.E.C.D. southern 
European countries and in the United 
States. General röport. -[Paris:] OECD 
1971. IV, 60 S. 4 [Umschlagt.] 

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