ON THE ROLE OF PARTY AND SOVIET AUTHORITIES IN SPEEDING UP DIAMOND DEPOSITS EXPLORATION IN THE USSR - PDF (Russian)
Copyright (c) 2012 Yuzmuhametov R.N.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Copyright (c) 2012 Yuzmuhametov R.N.
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.