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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Fitzsimmons, John E., - University of Alberta. Department of Plant Science.
    Publication info: Edmonton, Alberta, University of Alberta, [1951]
    Holding Institution: University of Alberta Library
    Subjects: Barley  Chemical mutagenesis  Mutation (Biology)  Physiological effect  Variation (Biology)  X-rays