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  1. By: Janssen, Arie W - Janssen, Ronald - Tracey, Steve - Vaessen, Leonard M B - Van Der Voort, Jaap
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 71
    Issue: 4
    Date: 2014
    Page Range: 223--229
    Publication Info: London International Trust for Zoological Nomenclature
  2. By: Janssen, Ronald
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 73
    Issue: 1
    Date: 2016
    Page Range: 49--49
    Publication Info: London International Trust for Zoological Nomenclature
  3. By: Albano, Paolo Giulio. - Schnedl, Sara-Maria - Janssen, Ronald - Eschner, Anita.
    Type: Article
    In: Zoosystematics and evolution
    Volume: 95
    Issue: 2
    Date: 2019
    Page Range: 557--598
    Publication Info: Sofia, Pensoft,
  4. By: Albano, Paolo Giulio. - Bakker, Piet A.J. - Janssen, Ronald - Eschner, Anita.
    Type: Article
    In: Zoosystematics and evolution
    Volume: 93
    Issue: 1
    Date: 2017
    Page Range: 45--94
    Publication Info: Sofia, Pensoft,