Shaulov, S. B., K. V. Cherdyntceva, J. K. Janseitova, R. A. Nam, V. V. Piskal, V. S. Puchkov, S. E. Pyatovsky, A. L. Shepetov, V. A. Ryabov, and V. V. Zhukov. “Method for Determining Angles in X-Ray Emulsion Chambers (XRECs) (ADRON Experiment)”. Physical Sciences and Technology, vol. 5, no. 3-4, Jan. 2019, pp. 43-52, doi:10.26577/phst-2018-2-157.