By Velthuis A. G. J.   Hogeveen H.   Mourits M. C. M.   Dolman M. A.   Van Wichen H.   Gaaff A.   in Acta Agriculturae Scandinavica, Section C - Economy

ISSN:1650-7541|6|1|31-42

Routledge Ltd‎(2009)‎

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