ESTONIAN ACADEMY
PUBLISHERS
eesti teaduste
akadeemia kirjastus
PUBLISHED
SINCE 1984
 
Oil Shale cover
Oil Shale
ISSN 1736-7492 (Electronic)
ISSN 0208-189X (Print)
Impact Factor (2021): 1.442
ILMAR ÖPIK – 85; pp. 99–102
PDF | 10.3176/oil.1997.2.01

Author
Arvo Ots
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