2WANG Sumin and ZHANG ZhenkeLaboratory of Lake Sediment and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences , Nanjing 210008, China,Department of Geography and Oceanology, Nanjing University , Nanjing 210093 , China.New progress of lake sediments and environmental changes research in China[J].Chinese Science Bulletin,1999,44(19):1744-1754. 被引量:23