主题：【已应助】外文文献数篇，更新中

【序号】：1
【作者】：H. -R. Schulten
【题名】：Three-dimensional, Molecular Structures of Humic Acids and Their Interactions with Water and Dissolved Contaminants 
【期刊】：Int. J. Environ. Anal. Chem.
【年、卷、期】：1996年64期147
【全文链接】： http://www.informaworld.com/smpp/content~db=all?content=10.1080/03067319608028343&waited=0

【序号】：2
【作者】：A. Cozzolino and A. Piccolo
【题名】：Polymerization of dissolved humic substances catalyzed by peroxidase. Effects of pH and humic composition
【期刊】：Organic Geochemistry
【年、卷、期】：Volume 33, Issue 3, March 2002, Pages 281-294
【全文链接】： http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V7P-44R2N71-9&_user=1555909&_coverDate=03%2F31%2F2002&_fmt=abstract&_orig=search&_cdi=5848&view=c&_acct=C000053682&_version=1&_urlVersion=0&_userid=1555909&md5=7113c9c7a8c251b454193f5b46e57241&ref=full

【序号】：3
【作者】：Eef Velthorst;  Neeltje Nakken-brameijer; Jan Mulder
【题名】：Fractionation of Soil Organic Matter
【期刊】：International Journal of Environmental Analytical Chemistry,
【年、卷、期】：Volume 73, Issue 3 March 1999 , pages 237 - 251
【全文链接】： http://www.informaworld.com/smpp/content~db=all?content=10.1080/03067319908032666