Lewis-Swan R.J., M.A. Norcia, K. Cline, J.K. Thompson, and A.M. Rey, Physical Review Letters 121, (2018).
Norcia M.A., K. Cline, J.A. Muniz, J.M. Robinson, R.B. Hutson, A. Goban, E. Marti, J. Ye, and J.K. Thompson, Physical Review X 8, 021036 (2018).