Fluid treatment of convective-transport threshold model of neoclassical tearing modes in tokamaks - Mikhailovskii, A B; Shirokov, M S; Tsypin, Vladimir; Konovalov, S V; Ozeki, T; Takizuka, T; Galvão, Ricardo Magnus Osório; Nascimento, Ivan Cunha (Physics of Plasmas, 2003)