@article {das2021robust,
	title = {Robust design optimization for SMA based nonlinear energy sink with negative stiffness and friction},
	journal = {Soil Dynamics and Earthquake Engineering},
	volume = {140},
	year = {2021},
	pages = {106466},
	publisher = {Elsevier},
	author = {Das, Sourav and Chakraborty, Souvik and Chen, Yangyang and Tesfamariam, Solomon}
}
