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Agriculture in semi-arid environments / ed. by A.E. Hall, G.H. Cannell, and H.W. Lawton ; contrib. H.P. Bailey...[et al.].
- Springer,
- 1979.
- Berlin [etc.] :
-
Agriculture in semi-arid environments / ed. by A.E. Hall, G.H. Cannell, and H.W. Lawton ; contrib. by H.P. Bailey...[et al.].
- Springer,
- 1979.
- Berlin [etc.] :
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Wirtschaftliche Entwicklung und sozialer Wandel in der Volksrepublik China / Willy Kraus.
- 851.1
- Springer,
- 1979.
- Berlin [etc.] :