Preliminary Exploration of Touggard′s Method Used for the Background
Gong Hai-Ning;Shen Hua;Huang Hui-Zhong;Wu Nian-Zu
Acta Phys. -Chim. Sin. . 2002, (04): 326 -331 .  DOI: 10.3866/PKU.WHXB20020408