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Wirtschaftsgeographische Veränderungen in der Volksrepublik Bulgarien : neuere Veränderungen in der Produktionsstruktur
Penkow, I. - In: Sozialgeographische Probleme Südosteuropas : Aspekte …, (pp. 9-16). 1973
Persistent link: https://www.econbiz.de/10003649486
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Golemijat Plovdivski procent
Vlasev, Georgi - 1974
Persistent link: https://www.econbiz.de/10002981955
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Njakoi problemi na teritorialnoto razpredelenie na proizvoditelnite sili v NRB prez dvadesetletkata
Enev, Michail P. - In: Novo vreme : teoretično spisanie za socialni idei, … 38 (1962) 10, pp. 27-48
Persistent link: https://www.econbiz.de/10002117778
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Osnovnye tendencii formirovanija territorial'noj struktury promys̆lennosti Narodnoj Republiki Bolgarii
Valev, É B. - 1971
Persistent link: https://www.econbiz.de/10003698795
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Integrated research in industrial and social change in the Ruhr
Bronny, Horst M. - In: Case studies in industrial geography, (pp. 116-127). 1980
Persistent link: https://www.econbiz.de/10003503495
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Stopanskogeografski problemi v razvitieto na selištata vǔv Vidinskija mikrorajon
Kiradžiev, Svetlin - In: Izvestija na Geografskija Institut 15 (1972), pp. 167-203
Persistent link: https://www.econbiz.de/10002214273
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Osnovni vŭprosi na geografskoto razpredelenie na proizvodstvoto i ikonomičeskoto rajonirane
Marinov, Christo - 1963
Persistent link: https://www.econbiz.de/10002296713
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Bolgarija : ėkonomiko-geografičeskoe opisanie
Valev, Ėmilʹ Borisovič - 1949
Persistent link: https://www.econbiz.de/10002273220
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Kjustendilskata Kotlovina : Bŭlg. Akad. na naukite. Geogr. Inst. ; <Geogr.-etnogr. izsledvane>
Zachariev, Jordan - 1963
Persistent link: https://www.econbiz.de/10002278436