【作者(必填)】Eric Loken* and Kelly L. Rulison

【文题(必填)】Estimation of a four-parameter item response theory model

【年份(必填)】2010

【全文链接或数据库名称(选填)】http://onlinelibrary.wiley.com/doi/10.1348/000711009X474502/abstract?deniedAccessCustomisedMessage=&userIsAuthenticated=false