| 标题 |
Structural units in humic acids from south-eastern Queensland soils as determined by 13nmr spectroscopy |
| 网址 | |
| DOI | |
| 其它 |
期刊:Soil Research 作者:JO Skjemstad; RL Frost; PF Barron 出版日期:2005-04-06 |
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(2025-6-4)