Mojahed, Alireza, Moore, Keegan, Bergman, Lawrence A., and Vakakis, Alexander F. Strong geometric softening–hardening nonlinearities in an oscillator composed of linear stiffness and damping elements. Retrieved from https://par.nsf.gov/biblio/10106689. International Journal of Non-Linear Mechanics 107.C Web. doi:10.1016/j.ijnonlinmec.2018.09.004.

Mojahed, Alireza, Moore, Keegan, Bergman, Lawrence A., & Vakakis, Alexander F. Strong geometric softening–hardening nonlinearities in an oscillator composed of linear stiffness and damping elements. International Journal of Non-Linear Mechanics, 107 (C). Retrieved from https://par.nsf.gov/biblio/10106689. https://doi.org/10.1016/j.ijnonlinmec.2018.09.004

Mojahed, Alireza, Moore, Keegan, Bergman, Lawrence A., and Vakakis, Alexander F. "Strong geometric softening–hardening nonlinearities in an oscillator composed of linear stiffness and damping elements". International Journal of Non-Linear Mechanics 107 (C). Country unknown/Code not available. https://doi.org/10.1016/j.ijnonlinmec.2018.09.004. https://par.nsf.gov/biblio/10106689.

@article{osti_10106689,
place = {Country unknown/Code not available}, title = {Strong geometric softening–hardening nonlinearities in an oscillator composed of linear stiffness and damping elements}, url = {https://par.nsf.gov/biblio/10106689}, DOI = {10.1016/j.ijnonlinmec.2018.09.004}, abstractNote = {}, journal = {International Journal of Non-Linear Mechanics}, volume = {107}, number = {C}, author = {Mojahed, Alireza and Moore, Keegan and Bergman, Lawrence A. and Vakakis, Alexander F.}, }