CLEARANCE PROBLEMS IN AFRICAN RESEARCH

被引：0
|
作者：
BERNARD, FE
WALTER, BJ
机构：
[1] OHIO UNIV,ATHENS,OH
[2] UNIV WISCONSIN,MADISON,WI
来源：
PROFESSIONAL GEOGRAPHER | 1968年 / 20卷 / 01期
关键词：
D O I：
10.1111/j.0033-0124.1968.00028.x
中图分类号：
P9 [自然地理学]; K9 [地理];
学科分类号：
0705 ; 070501 ;
摘要：
引用
收藏
页码：28 / 32
页数：5
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