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  1. By: Askew, R. R. (Richard Robinson),
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 292
    Series: 3
    Issue: 202
    Date: 1975
    Page Range: 405--412
    Publication Info: Paris,
  2. By: Askew, R. R. (Richard Robinson), - Cleland, G G - Davies, D A L - Harman, T W
    Type: Article
    In: Tijdschrift voor entomologie
    Volume: 132
    Date: 1989
    Page Range: 115--121
    Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,
  3. By: Shaw, M R - Askew, R. R. (Richard Robinson),
    Type: Article
    In: Journal of Hymenoptera research
    Volume: 8
    Date: 1999
    Page Range: 127--131
    Publication Info: Washington, D.C, International Society of Hymenopterists, [1992-
  4. By: Askew, R. R. (Richard Robinson), - Gómez, J. F. (Jose Francisco) - Nieves-Aldrey, José Luis
    Type: Article
    In: Journal of Hymenoptera research
    Volume: 13
    Date: 2004
    Page Range: 214--222
    Publication Info: Washington, D.C, International Society of Hymenopterists, [1992-
  5. By: Chuang, Angela - Gates, Michael William - Grinsted, Lena - Askew, R. R. (Richard Robinson), - Leppanen, Christy
    Type: Article
    In: ZooKeys
    Volume: 874
    Date: 2019
    Page Range: 1-18
    Publication Info: Pensoft Publishers 2019