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  1. By: Langebartel, David A.,
    Publication info: Urbana, University of Illinois Press, 1968
    Holding Institution: University Library, University of Illinois Urbana Champaign
  1. By: Smith, Hobart M. (Hobart Muir), - Langebartel, David A., - Williams, Kenneth L.,
    Type: Article
    In: Illinois biological monographs
    Volume: 32
    Date: 1964
    Page Range: 1--80
    Publication Info: Urbana, Univ. of Illinois Press,
  2. By: Smith, Hobart M. (Hobart Muir), - Langebartel, David A.,
    Type: Article
    In: Journal of the Washington Academy of Sciences
    Volume: 39
    Date: 1950
    Page Range: 409--416
    Publication Info: Washington [etc Washington Academy of Sciences]