Pham , D. K., T. T. Kim, and T. H. . Nguyen. “Studies of Multiparticle Photonuclear Reactions in Natural Iron Induced by 2.5 GeV Bremsstrahlung”. Nuclear Science and Technology, vol. 3, no. 2, June 2013, pp. 1-6, doi:10.53747/nst.v3i2.254.