Blank, M.; Borchard, P.; Cauffman, S.; Felch, K.; Rosay, M.; Tometich, L. (2013-06-01). "Experimental demonstration of a 527 GHZ gyrotron for dynamic nuclear polarization". 2013 Abstracts IEEE International Conference on Plasma Science (ICOPS). p. 1. doi:10.1109/PLASMA.2013.6635226. ISBN978-1-4673-5171-3. S2CID31007942.
Blank, M.; Borchard, P.; Cauffman, S.; Felch, K.; Rosay, M.; Tometich, L. (2013-06-01). "Experimental demonstration of a 527 GHZ gyrotron for dynamic nuclear polarization". 2013 Abstracts IEEE International Conference on Plasma Science (ICOPS). p. 1. doi:10.1109/PLASMA.2013.6635226. ISBN978-1-4673-5171-3. S2CID31007942.