@article {1315028,
	title = {A 3D Printed, Functionally Graded Soft Robot Powered by Combustion},
	journal = {Science},
	volume = {349},
	year = {2015},
	note = {1255},
	month = {2015},
	pages = {161 - 165},
	author = {Bartlett, N. W. and Tolley, M. T. and Overvelde, J. T. B. and J.C. Weaver and Mosadegh, B. and K. Bertoldi and Whitesides, G. M. and R.J. Wood}
}
