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  1. The morphology of the swim bladder and auditory bulla in the Holocentridae.
    By: Nelson, Edward M.
    Publication info: Chicago, Ill. :Chicago Natural History Museum,1955.
    Contributed by: University of Illinois Urbana Champaign
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  2. The swim bladder in the Serrasalminae, with notes on additional morphological features.
    By: Nelson, Edward M.
    Publication info: [Chicago]Chicago Natural History Museum,1961.
    Contributed by: University of Illinois Urbana Champaign
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