@article{Kravtsova2017natural, author={Kravtsova, L.A.}, title={NATURAL SCIENŠ”E COLLECTIONS OF THE COAL MUSEUM AT THE FEDERAL RESEARCH CENTRE OF COAL AND COAL CHEMISTRY OF SIBERIAN BRANCH OF THE RUSSIAN ACADEMY OF SCIENCES AS A SCIENTIFIC SYSTEM OF KNOWLEDGE ABOUT COAL}, journal={Bulletin of Kemerovo State University. Series: Biological, Engineering and Earth Sciences}, publisher={Kemerovo State University}, year={2017}, pages={55-60}, volume={2017}, issue={2}, }