Patronis, N., P. A. Assimakopoulos, S. Dababneh, M. Heil, F. Kaeppeler, D. Karamanis, P. E. Koehler, and R. Plag. “The $^{135}$Cs(n,$\gamma$) Cross Section at 30 and 500 KeV”. HNPS Advances in Nuclear Physics, vol. 12, Aug. 2021, pp. 71-81, doi:10.12681/hnps.3346.