The set of software tools for prompt assessment of possible pollution of the environment in case of an accident at a radioactively dangerous objectV. P. Kisselev, A. L. Krylov, A. V. Nossov, V. N. Semenov, O. S. Sorokovickova and A. L. FockinRadioprotection, 44 5 (2009) 771-776DOI: https://doi.org/10.1051/radiopro/20095139