TY - JOUR T1 - Power secant method applied to natural frequency extraction of Timoshenko beam structures JO - Latin American Journal of Solids and Structures A1 - Dias, C.A.N. SN - 1679-7825 UL - 10.1590/S1679-78252010000300005 VL - 7 Y1 - 2010 PB - Brasil ER -