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Chair of safety of vital activity and control of the natural and technogeny risks - PDF (Russian)
Copyright (c) 2011 Плющиков В.Г., Хаирова Н.И.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2011 Плющиков В.Г., Хаирова Н.И.
This work is licensed under a Creative Commons Attribution 4.0 International License.