%0 Journal Article %T Soil organic matter beyond molecular structure Part I: Macromolecular and supramolecular characteristics %A Schaumann, Gabriele E. %J Journal of Plant Nutrition and Soil Science %V 169 %N 2 %P 145-156 %@ 1436-8730 %D 2006-04-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve