Kolganzen, waarheen over 10 of 100 jaar?

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Journal	De Levende Natuur
Rights	CC BY 3.0 NL ("Naamsvermelding")
Organisation	De Levende Natuur
Citation APA APA Style APA-ALL Style AAA Style Cell Style Chicago Style Harvard Style IEEE Style MLA Style Nature Style Vancouver Style American-Institute-of-Physics Style Council-of-Science-Editors Style BibTex Format Endnote Format RIS Format CSL Format DOIs only Format	J. Philippona. (1969). Kolganzen, waarheen over 10 of 100 jaar?. De Levende Natuur, 72(1), 1–6.

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