Bicoherence in electrostatic turbulence driven by high magnetohydrodynamic activity in Tokamak Chauffage Alfvén Brésilien - Lima, Gustavo Zampier dos Santos; Guimarães Filho, Zwinglio de Oliveira; Batista, A M; Caldas, Iberê Luiz; Lopes, S R; Viana, R L; Nascimento, Ivan Cunha; Kuznetsov, Yu K (Physics of Plasmas, 2009)