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Loy R. Phillippe, Paul B.. Marcum, Daniel T. Busemeyer, Mary Ann Feist, William E. McClain, and John E. Ebinger
Floristic Composition and Structure of Two Dry Sand Prairies at Sand Ridge State Forest, Mason County, Illinois
Loy R. Phillippe, Paul B.. Marcum, Daniel T. Busemeyer, Mary Ann Feist, William E. McClain, and John E. Ebinger
Recent Advances in Spectroscopy* Author: Michelson, A.A.
The Relation of the State Academy of Science to the Natural History Surrounding the Chicago Academy of Sciences Author: Baker, F.C.
Recent Advances in Spectroscopy* Author: Michelson, A.A.