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Towards sustainability of wheat and maize cultivation in Beijing region : economic performance and environmental impacts /

Univ., Diss.--Hohenheim, 2003.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/254656548
Date January 2004
CreatorsZilkens, Matthias.
PublisherAachen : Shaker,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish
CoveragePeking <Region> Peking <Region>

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