An evaluation of technological overburden thickness limit of oil shale open casts by using draglines
author
Valgma, Ingo
statement of authorship
I.Valgma
source
Oil shale
journal volume number month
Vol. 15
year of publication
1998
pages
2, Special, p. 134-146: ill
ISSN
0208-189X
notes
Bibl. 8 ref