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  1. By: Dorr, John A., - Jude, David J. (David John), - University of Michigan. Great Lakes Research Division.
    Publication info: [Ann Arbor, Mich.], University of Michigan, [1986?]
    Holding Institution: University of Michigan
  2. By: Dorr, John A., - University of Michigan. Great Lakes and Marine Waters Center.
    Publication info: Ann Arbor, Mich, Great Lakes and Marine Waters Center, University of Michigan, 1985
    Holding Institution: University of Michigan
  3. By: Dorr, John A., - Miller, Timothy J. - University of Michigan. Great Lakes Research Division.
    Publication info: Ann Arbor, Mich, Great Lakes Research Division, University of Michigan, 1975
    Holding Institution: University of Michigan