Migration of ideas: China and U.S.
作者信息
Freeman Richard
机构信息
Harvard University, Cambridge, MA 02138, USA.
National Bureau of Economic Research, Cambridge, MA 02138, USA.
出版信息
Science. 2017 May 19;356(6339):696-697. doi: 10.1126/science.aan5197. Epub 2017 May 18.
PMID:28522489
Abstract
摘要
Zotero 插件