Using δ15N and δ13C and nitrogen functionalities to support a fire origin for certain inertinite macerals in a No. 4 Seam Upper Witbank coal, South Africa
2007 ◽
Vol 39
(3)
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pp. 349-360
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2011 ◽
Vol 25
(13)
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pp. 1853-1861
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Keyword(s):
Keyword(s):
2009 ◽
2011 ◽
Vol 1
(2)
◽
pp. 47-54
2008 ◽
Vol 2008
◽
pp. 314-315