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H
Hudec, Kamil (Slovakia)
Hudec, Michal, Constantine the Philosopher University Nitra
Hülsbergen, Kurt-Jürgen
Hummel, Hans E., Organic Agriculture (Germany)
Hummel, Hans E, Justus-Liebig-University, Giessen (Germany)
Hunyadi Borbélyné, Éva, Hungarian Research Institute for Organic Agriculture (ÖMKi), Budapest (Hungary)
Huson, Heather, Cornell University (United States)
Hutas, Istvan, Pharmateka Bt. Budapest (Hungary)
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