Electron magnetic resonance (EMR) spectra of Cr3+ ions in samples of chromium-doped strontium titanate (SrTiO3) have been studied at room temperature for chromium concentrations between 0. 20 and 1. 00 mol%. https://www.markbroyard.com/best-offer-dogijiwana-tuffer-chewer-pretzel-online-flash-choice/