【作者(必填)】   James Castiglione ,  (Brooklyn College, The City University of New York, Brooklyn, New York, USA)

【文题(必填)】  Environmental scanning: an essential tool for twenty-first century librarianship

【年份(必填)】  2008

【全文链接或数据库名称(选填)】  http://www.emeraldinsight.com/jo ... 6&show=abstract