【作者(必填)】R. Darrell Bock, Murray Aitkin

【文题(必填)】
Marginal maximum likelihood estimation of item parameters: Application of an EM algorithm【年份(必填)】
1981
【全文链接或数据库名称(选填)】http://link.springer.com/content/pdf/10.1007%2FBF02293801.pdf

谢谢