Measures to further reduce occupational injuries - PDF (Russian)
© 1978 Zhuravlev S.M., Novikov P.E., Ustinov A.A.
This work is licensed
under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
This work is licensed
under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.