Development of a procedure for mechanized coal extraction beneath shield canopies in thick steep seams

Autor:	L. A. Shcherbakov, L. P. Tomashevskii
Rok vydání:	1971
Předmět:	Mining engineering business.industry Shield General Engineering Geology Geotechnical engineering Extraction (military) Coal Geotechnical Engineering and Engineering Geology business Mineral resource classification
Zdroj:	Soviet Mining Science. 7:175-178
ISSN:	1573-8736 0038-5581
DOI:	10.1007/bf02502817
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::bdb994c7daaa4a79d34480abea0aa6e5 https://doi.org/10.1007/bf02502817 Zobrazit plný text záznamu Full text from SpringerLink