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?????? ??????? ??? ??? ??????-???? ??????? ?????????? ?? ??? ???? ???????? ????? ????? ?? ??? ??????? ???? ????? . ????? ????? ??????? ????? ????? ????? ?? ????????? ?? ?? ?? ???????? ?????? ????????? ? ????? ? ??????? ? ????????? . ^[?] ????? ?????? ?? ????????? ??????? ? ????? ????? ????? ?? ????? ????? ????? ?????? ? ?????? ??? ? ????? ????? ? ????? ?????? ??????? ?? ????? ??????? ????? ??????? ?? ?????. ^[?] ????? ?????????????? ????? ?? ????????? ???????? ??????? ?????? ?? ????? ??????? ???????? ????? ?? ?????? ????? ????????? ???? ?????? ?? ??????? ???????????? ??????????? (???????????) ? ???????. ^[?]^[?]

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^ Blander, M. "Calculations of the Influence of Additives on Coal Combustion Deposits" (PDF) . Argonne National Laboratory. p. 315. Archived from the original (PDF) on 28 May 2010 . Retrieved 17 December 2011 . ??? ?????? ???? ?? ?????? ????? ? ?????? ????? .
^ "Coal Explained" . Energy Explained . US Energy Information Administration . 21 April 2017. Archived from the original on 8 December 2017 . Retrieved 13 November 2017 .
^ Cleal, C. J.; Thomas, B. A. (2005). "Palaeozoic tropical rainforests and their effect on global climates: is the past the key to the present?". Geobiology . 3 (1): 13?31. Bibcode : 2005Gbio....3...13C . doi : 10.1111/j.1472-4669.2005.00043.x .
^ Sahney, S.; Benton, M.J.; Falcon-Lang, H.J. (2010). "Rainforest collapse triggered Pennsylvanian tetrapod diversification in Euramerica" . Geology . 38 (12): 1079?1082. Bibcode : 2010Geo....38.1079S . doi : 10.1130/G31182.1 .

[1] Blander, M. "Calculations of the Influence of Additives on Coal Combustion Deposits" (PDF) . Argonne National Laboratory. p. 315. Archived from the original (PDF) on 28 May 2010 . Retrieved 17 December 2011 . ??? ?????? ???? ?? ?????? ????? ? ?????? ????? .

[EIA_Coal_Explained-2] "Coal Explained" . Energy Explained . US Energy Information Administration . 21 April 2017. Archived from the original on 8 December 2017 . Retrieved 13 November 2017 .

[ClealThomas2005-3] Cleal, C. J.; Thomas, B. A. (2005). "Palaeozoic tropical rainforests and their effect on global climates: is the past the key to the present?". Geobiology . 3 (1): 13?31. Bibcode : 2005Gbio....3...13C . doi : 10.1111/j.1472-4669.2005.00043.x .

[SahneyBentonFerry2010RainforestCollapse-4] Sahney, S.; Benton, M.J.; Falcon-Lang, H.J. (2010). "Rainforest collapse triggered Pennsylvanian tetrapod diversification in Euramerica" . Geology . 38 (12): 1079?1082. Bibcode : 2010Geo....38.1079S . doi : 10.1130/G31182.1 .

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