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By "Williams, Susan L. "
Psammolittoral investigation 1972 /
By: Seibel, Erwin. - Roth, James C. - Stewart, John A. - Williams, Susan L. - University of Michigan. Great Lakes Research Division.
Publication info: Ann Arbor, Mich. :Great Lakes Research Division, The University of Michigan,1973.
Holding Institution: University of Michigan (archive.org)