【作者(必填)】Bo Chen1,* andHong Ma2

【文题(必填)】Import Variety and Welfare Gain in China

【年份(必填)】Volume 20, Issue 4,pages 807–820,September 2012

【全文链接或数据库名称(选填)】http://onlinelibrary.wiley.com/doi/10.1111/j.1467-9396.2012.01056.x/abstract