http://41.89.164.26/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Wiersum%2C%20K.F.%22&sort_by=relevance&format=rss 2 0 50 ISBN:9022008401 http://41.89.164.26/cgi-bin/koha/opac-detail.pl?biblionumber=11618 Wageningen : Centre for Agricultural Publishing and Documentation (Pudoc) 1984 .
432 p, ; 9022008401

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]]> http://41.89.164.26/cgi-bin/koha/opac-detail.pl?biblionumber=11618 ISBN:09269495 http://41.89.164.26/cgi-bin/koha/opac-detail.pl?biblionumber=13604 Wageningen , Netherlands : Wgenigen University and Research Centre, 2000 .
172 p. : , includes bibliographical references 09269495

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