Kotikian, A., Truby, R., Boley, J., White, T., & Lewis, J. (2018). 3D Printing of Liquid Crystal Elastomeric Actuators with Spatially Programed Nematic Order. Advanced Materials (Deerfield Beach, Fla.). https://doi.org/10.1002/adma.201706164 (Original work published 2018)