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  1. By: Kern, Johannes Hendrikus
    Type: Article
    In: Adansonia
    Volume: 7
    Issue: 2
    Date: 1967
    Page Range: 181--184
    Publication Info: Paris Muséum d'histoire naturelle, Laboratoire de Phanérogamie 1961-1981
  2. By: Kern, Johannes Hendrikus
    Type: Article
    In: Adansonia
    Volume: 2
    Issue: 1
    Date: 1962
    Page Range: 99--110
    Publication Info: Paris Muséum d'histoire naturelle, Laboratoire de Phanérogamie 1961-1981
  3. By: Kern, Johannes Hendrikus - Steenis, C. G. G. J. van (Cornelis Gijsbert Gerrit Jan)
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 17
    Series: 4
    Date: 1959
    Page Range: 273--275
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  4. By: Kern, Johannes Hendrikus
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 17
    Series: 4
    Issue: 1
    Date: 1958
    Page Range: 91--92
    Publication Info: Singapore, Govt. Print. Off. [etc.],