DNP Study on Doping Organic Samples with Stable Free Radicals
Yang Bao-Lian, Feng Ji-Wen, Hu Jian-Zhi, Zhou Jian-Cheng, Li Li-Yun, Qiu Jian-Qing, Ye Chao-Hui
Acta Phys. -Chim. Sin. . 1998, (01): 93 -96 .  DOI: 10.3866/PKU.WHXB19980118