* Carson Jeffries, "Dynamic Nuclear Orientation", New York, Interscience Publishers, 1963
* Anatole Abragam and Maurice Goldman, "Nuclear Magnetism: Order and Disorder", New York : Oxford University Press, 1982
* Tom Wenckebach, [http://www.wenckebach.net/html/dnp-book.html "Essentials of Dynamic Nuclear Polarization"],  Spindrift Publications, The Netherlands, 2016