A compositional and solid-state nuclear magnetic resonance study of humic and fulvic acid fractions of soil organic matter
1988 ◽
pp. 1863
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1999 ◽
Vol 103
(26)
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pp. 5477-5487
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2002 ◽
Vol 106
(20)
◽
pp. 5169-5176
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1986 ◽
pp. 1677-1681
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2014 ◽
Vol 118
(49)
◽
pp. 28520-28526
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1989 ◽
Vol 18
(1)
◽
pp. 25-30
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2002 ◽
Vol 31
(2)
◽
pp. 414
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