Biodiversity Heritage Library
By "United States. Office of Naval Research "
The abundance, distribution, and biology of plankton in Lake Michigan : with the addition of a Research Ships of Opportunity Project /
By: Robertson, Andrew, - United States. - University of Michigan.
Publication info: Ann Arbor, Mich. :University of Michigan, Great Lakes Research Division,1968.
Contributed by: University of Michigan (archive.org)