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  1. By: Welton, Bruce J - Zinsmeister, William J.
    Type: Article
    In: Contributions in science
    Volume: 329
    Date: 1980-08-12
    Page Range: 1--10
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  2. By: Welton, Bruce J
    Type: Article
    In: Contributions in science
    Volume: 522
    Date: 2014-05-01
    Page Range: 29--44
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  3. By: Welton, Bruce J
    Type: Article
    In: Contributions in science
    Volume: 523
    Date: 2015-08-21
    Page Range: 67--89
    Publication Info: Los Angeles, Calif, The Museum, [1957]-