University of Illinois Urbana-Champaign

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Showing 421–450 of 5,992 items
Thumbnail for The inquiry Cycle
The inquiry Cycle
Bruce, Bertram C.

Thumbnail for Mineralogical and chemical composition of inorganic matter from marketed Illinois coals
Mineralogical and chemical composition of inorganic matter from marketed Illinois coals
Demir, Ilham; Hughes, Randall E.; DeMaris, Philip J.; Ruch, Rodney R.