TY  - JOUR 
T1  - Study of nonlinear vibration of Euler-Bernoulli beams by using analytical approximate techniques
JO  - Latin American Journal of Solids and Structures
A1  - Bagheri, S.
A1  - Nikkar, A.
A1  - Ghaffarzadeh, H.
SN  - 1679-7825
UL  - 10.1590/S1679-78252014000100010
VL  - 11 
Y1  - 2014
PB  - Brasil 
ER  -