- S t u d y s p h e r e
- T.Pae, A. Luud, M. Sepp. Artifical mountains in North-East Estonia: monumental
dumps of ash and semicoke. Oil Shale V22, 2005, No.3, pp. 333 - 344
- R. Veski. The volumes of spent oil shale processing units in 1921 - 2002.
Oil Shale V 22, 2005, N0.3, pp. 345 - 358
- Oil Shale 1998, Vol. 15, No. 2 Special
(all papers available on-line)
- Estonian oil shale (a review article compiled by Mihkel
Koel in 1999)
- Study on the EU oil shale industry - viewed in the light of the
Estonian experience (an EASAC report 2007) by M. Veiderma and A.Siirde
- Heritage of Ilmar Öpik: journal OIL SHALE by A. Kogerman
- Estonian oil shale industry:
Oil shale mining www.ep.ee
Shale oil www.vkg.ee ,
www.keemiatoostus.ee
Shale oil and power production www.powerplant.ee
- Characteristics of oil shales and shale-like rocks of
known deposits and outcrops (a monograph by K. Urov and A. Sumberg published in Oil
Shale 1999 Vol. 16, No. 3 Special)
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