By Balmann Alfons   Dautzenberg Kirsti   Happe Kathrin   Kellermann Konrad   in Outlook on Agriculture

ISSN:0030-7270|35|2|115-121

IP Publishing Ltd‎(2006)‎

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By Sahrbacher Christoph   Jelinek Ladislav   Kellermann Konrad   Medonos Tomas   in Post-Communist Economies

ISSN:1465-3958|21|4|495-511

Routledge Ltd‎(2009)‎

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