Education Valgma usage oil_shale

1. Oil Shale, 2008, Vol. 25, No. 2 Special, pp. 101–114 doi: 10.3176/oil.2008.2S.02ISSN 0208-189X © 2008 Estonian Academy PublishersUSAGE OF ESTONIAN OIL SHALE E. VÄLI,…

Education Reinsaluvalgmavaliusageofestonianoilshale 100720104854-phpapp02

1. Oil Shale, 2008, Vol. 25, No. 2 Special, pp. 101–114 doi: 10.3176/oil.2008.2S.02ISSN 0208-189X © 2008 Estonian Academy PublishersUSAGE OF ESTONIAN OIL SHALE E. VÄLI,…

Education Valgma usage oil_shale

1. Oil Shale, 2008, Vol. 25, No. 2 Special, pp. 101–114 doi: 10.3176/oil.2008.2S.02ISSN 0208-189X © 2008 Estonian Academy PublishersUSAGE OF ESTONIAN OIL SHALE E. VÄLI,…