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OCR-text (abbyy)
—	Ho±ger ti
Studies on the formation of complex oxida-
tion and condensation products of phenols. A
contribution to the investigation of the ori-
gin and nature of humic acid.
4:o (London) 1933.
Diss. Stockholm.
ur: Proceedings of the Royal Society. A.
Vol. 143.
OCR-text (abbyy-crop)
___Erdtman, Holger G H
Studies on the formation of complex oxida-
tion and condensation products of phenols. A
contribution to the investigation of the ori-
gin and nature of humic acid.
4:o (London) 1933.
Diss. Stockholm.
ur: Proceedings of the Royal Society. A.
Vol. 143.
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