Influence of the bedrock topography on oil shale mining in North-East Estonia
Miidel, Avo
;
Raukas, Anto
;
Tavast, Elvi
;
Vaher, Rein
Oil shale
2006
/
4, p. 313-327 : ill
https://artiklid.elnet.ee/record=b2364778*est