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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Straatman, R - Nieuwenhuis, E J
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 104
    Date: 1961
    Page Range: 31--41
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  2. By: Straatman, R
    Type: Article
    In: Journal of the Lepidopterists' Society
    Volume: 23
    Date: 1969
    Page Range: 69--76
    Publication Info: [New Haven, Conn.] Lepidopterists' Society 1959-
  3. By: Straatman, R
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 106
    Date: 1963
    Page Range: 197--199
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  4. By: Straatman, R
    Type: Article
    In: Entomologische berichten
    Volume: 28
    Issue: 12
    Date: 1968
    Page Range: 229--233
    Publication Info: Amsterdam