Zobrazeno 1 - 2
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pro vyhledávání: '"Stefan B. Velev"'
Publikováno v:
GeoJournal. 35:415-423
Climatic records for the last 15 years indicate that Bulgaria is experiencing a period of exceptionally low precipitation. During 1993, significant water supply problems emerged, approaching crisis proportions in Sofia, the nation's capital, by the e
Publikováno v:
Professional Geographer. Nov2001, Vol. 53 Issue 4, p533. 13p.