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Õèäðîëîãè÷åí ãîäèøíèê [ñáîðíèê:ãîäèøíèê] / Ìèíèñòåðñòâî íà çåìåäåëèåòî è ãîðèòå, Óïðàâëåíèå õèäðîìåòåîðîëîãè÷íà ñëóæáà
. - Ñîôèÿ; ïå÷. ïðè Õèäðîìåòåîðîëîãè÷íà ñëóæáà : Ìèíèñòåðñòâî íà çåìåäåëèåòî è ãîðèòå, 1952-1985. - 29 ñì
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ÓÄÊ 556.3
Äî 1960 ïîä çàãë. Ãîäèøíèê çà õèäðîëîãè÷íè íàáëþäåíèÿ.
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