https://www.jove.com/v/10463/epr-spectroscopy-paramagnetic-molecule-and-zeeman-effect
26.7K Views. Source: David C. Powers, Tamara M. Powers, Texas A&M In this video, we will learn the basic principles behind Electron Paramagnetic Resonance...
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https://www.osti.gov/pages/biblio/1688393-epr-spectroscopy-radical-ions-diamino-naphthoquinone-derivative
The U.S. Department of Energy's Office of Scientific and Technical Information
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https://www.bruker.com/it/news-and-events/webinars/2018/zh/bruker-epr-knowledge-and-technology-something-you-need-to-know-about-samples-and-spectroscopy.html
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