Resonant helical fields in tbr-1 - Caldas, Iberê Luiz; Bender, O W; Fernandes, A S; Heller, Maria Vittoria Adelina Prario; Kucinski, Mutsuko Yamamoto; Nascimento, Ivan Cunha; Tan, I H; Vannucci, Alvaro (Fusion Energy and Plasma Physics, 1988)