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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Engelbrecht, Derek - Grosel, J
    Type: Article
    In: Bulletin of the African Bird Club
    Volume: 14
    Issue: 2
    Date: 2007-08
    Page Range: 181--182
    Publication Info: Cambridge, African Bird Club, 1994-
  2. By: Engelbrecht, Derek - Grosel, J - Dippenaar, S
    Type: Article
    In: Bulletin of the African Bird Club
    Volume: 14
    Issue: 1
    Date: 2007-03
    Page Range: 58--61
    Publication Info: Cambridge, African Bird Club, 1994-