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 (2022): 1.9
A GENERAL CLASSIFICATION OF INFORMATION AND SYSTEMS; pp. 265–276
PDF | https://doi.org/10.3176/oil.2007.2S.07

Author
Mati Valdma
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