【作者(必填)】Wei Wei Sheng,        Xia Ming Li,        Yu Tang

【文题(必填)】Some properties of β-wordlength pattern for four-level designs

【年份(必填)】2015

【全文链接或数据库名称(选填)】http://link.springer.com/article/10.1007/s10114-015-3616-y