00557nam a2200121Ia 4500008004100000082002400041100012200065245009100187260002900278300001400307490005000321650006400371140224s9999 xx 000 0 und d a338:63(082.2)(4) L9 aSymposium on Problems of the Agricultural Development of Less-Favoured Areas in Europe, Switzerland, May 22-26, 1978. aProblems of the agricultural development of less favoured areas in Europe; proceedings aOxfordbPergamoncc 1979 axxi,252p. aUnited Nations Economic Commission for Europe aAgricultural development,Land, Use, Rural-Europe-congresses