Dynamic nuclear polarization at 9T using a novel 250 GHz gyrotron microwave source. 2003.
Bajaj VS, Farrar CT, Hornstein MK, Mastovsky I, Vieregg J, Bryant J, Eléna B, Kreischer KE, Temkin RJ, Griffin RG. Dynamic nuclear polarization at 9T using a novel 250 GHz gyrotron microwave source. 2003. J Magn Reson. 2011 Dec; 213(2):404-9.