Khue, P. D., N. V. Do, and L. T. Anh. “Cross Sections for the \(^{nat}\)Zr\((p,xn)^{89,90}\)Nb Reactions Induced by 27.7 MeV Protons”. Communications in Physics, vol. 25, no. 3, Dec. 2015, p. 257, doi:10.15625/0868-3166/25/3/6759.