Fractionation of soil humic acids by preparative polyacrylamide gel electrophoresis in the presence of concentrated urea
2013 ◽
Vol 59
(6)
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pp. 827-839
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1998 ◽
Vol 24
(5-6)
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pp. 573-581
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1999 ◽
Vol 30
(3-4)
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pp. 345-352
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2002 ◽
Vol 33
(3)
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pp. 213-220
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1998 ◽
Vol 161
(6)
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pp. 619-625
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1978 ◽
Vol 36
(2)
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pp. 204-205
1979 ◽
Vol 42
(05)
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pp. 1630-1633
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