A. V. Sartori, V. A. Pershukov, N. A. Mosunova, and N. M. Mantsevich, “Application of the methodology of readiness levels for the lean development of digital twins of complex engineering systems”, Econ. Sci., vol. 6, no. 1-2, pp. 62–74, Mar. 2020, doi: 10.22394/2410-132X-2020-6-1-2-62-74.