Orem&Finkelman2003
Orem, W. H. & Finkelman, R. B. 2003. Coal Formation and Geochemistry. Teoksessa: Holland, H. D., Turekian, K. K. (toim.), Treatise on Geochemistry (Second Edition), 207–232. https://doi.org/10.1016/B978-0-08-095975-7.00708-7
Orem, W. H. & Finkelman, R. B. 2003. Coal Formation and Geochemistry. Teoksessa: Holland, H. D., Turekian, K. K. (toim.), Treatise on Geochemistry (Second Edition), 207–232. https://doi.org/10.1016/B978-0-08-095975-7.00708-7