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A Letter to the Editor

 

作者: David Z. Robinson,  

 

期刊: Physics Today  （AIP Available online 1952）
卷期: Volume 5, issue 2  

页码: 26-26

 

ISSN:0031-9228

 

年代: 1952

 

DOI:10.1063/1.3067483

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Sir:There are a large number of foreign scientists, friendly to the United States, who have difficulty entering this country. American visa policy is harmful, not only to those denied temporary admittance, but also to Americans.

 

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