(1)Thiep, T. D.; An, T. T.; Vinh, N. T.; Cuong, P. V.; Khai, N. T.; Gangrski, I. P.; Penhionzkevich, I. E.; Zemenhik, V. I.; Mishinski, G. V. Study of the Isomeric Ratio of 135m,g< sup> 54< sub>Xe in Photofission 237< sup>93< Sub>Np in Giant Dipole Resonance Region. Comm. Phys. 2008, 18, 58-64.