University of Illinois Urbana-Champaign

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Showing 1801–1830 of 6,938 items
Thumbnail for Properties and applications of phase-shifted rectified sine waves
Properties and applications of phase-shifted rectified sine waves
Tykociner, Joseph Tykocinski; Bloom, Louis R.

Thumbnail for Glacial tills of Northwestern Illinois
Glacial tills of Northwestern Illinois
Illinois State Geological Survey; Frye, John Chapman