共 50 条
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- [27] GEOGRAPHY OF POLITICS - DOUGLAS,WA AND BERGMAN,EF PROFESSIONAL GEOGRAPHER, 1974, 26 (03): : 338 - 339
- [28] GEOGRAPHY OF POLITICS - JACKSON,WA AND BERGMAN,EF INTERNATIONAL BEHAVIOURAL SCIENTIST, 1974, 6 (04): : 75 - 77