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1External research report bibliotecaWUR NL
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2Article in monograph or in proceedings bibliotecaWUR NL
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3Doctoral thesis bibliotecaWUR NL
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4Part of book or chapter of book bibliotecaWUR NL
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5Article/Letter to editor bibliotecaWUR NL
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6Article/Letter to editor bibliotecaWUR NL
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7Article/Letter to editor bibliotecaWUR NL
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8Article/Letter to editor bibliotecaWUR NL
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9Article/Letter to editor bibliotecaWUR NL
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10Article/Letter to editor bibliotecaWUR NL
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11Article/Letter to editor bibliotecaWUR NL
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12Article/Letter to editor bibliotecaWUR NL