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  1. By: Hulstaert, R P G
    Type: Article
    In: Revue zoologique africaine
    Volume: 11
    Date: 1923
    Page Range: 198--208
    Publication Info: Bruxelles, Hayez, 1911-1928
  2. By: Hulstaert, R P G
    Type: Article
    In: Revue zoologique africaine
    Volume: 11
    Date: 1923
    Page Range: 209--210
    Publication Info: Bruxelles, Hayez, 1911-1928