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  1. By: Haas, Georg, - Werner, Yehudah L. (Yehudah Leopold),
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 138
    Date: 1969
    Page Range: 327--405
    Publication Info: Cambridge, Mass The Museum 1863-
  2. By: Werner, Yehudah L. (Yehudah Leopold),
    Type: Article
    In: Bulletin of the British Museum (Natural History) Zoology
    Volume: 21
    Date: 1971
    Page Range: 213--256
    Publication Info: London, BM(NH),