A study of radio spectrum usage
Ingvar Botnen and Nils Petter Gleditsch
Bok Språk ikke angitt 1980
Utgitt | [Oslo] : [International Peace Research Institute] , [1980]
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Omfang | 37, VI, [27] bl. : diagr.
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Utgitt | [Oslo] : [International Peace Research Institute] , [1980]
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Omfang | 37, VI, [27] bl. : diagr.
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