Chemical composition of the mineral matter of the Attarat Um Ghudran
Aosaar, Hardi
;
Puura, Väino
;
Soesoo, Alvar
;
Voolma, Margus
;
Hade, Sigrid
International Symposium "Oil shale 100 years" : Estonia, Sept. 20-23, 2016 : [abstracts]
2016
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p. 26