@article {1447200,
	title = {A Soft Ring Oscillator},
	journal = {Science Robotics},
	volume = {4},
	number = {31},
	year = {2019},
	note = {1323},
	pages = {1-9},
	author = {Preston, D.J. and Jiang, H.J. and V. Sanchez and Rothemund, P. and Rawson, J. and Nemitz, M.P. and Lee, W-K. and Z. Suo and C. J. Walsh and Whitesides, G. M.}
}
