Cvetkov, Vasil Accumulation of the Discrepancies [D] along the Balkan Mountains Crossing Lines 26, 31,35,37 in the Third Levelling of Bulgaria,
УАСГ, 2022, с. 203 - 211.
Cvetkov, Vasil.
Accumulation of the Discrepancies [D] along the Balkan Mountains Crossing Lines 26, 31,35,37 in the Third Levelling of Bulgaria.
София: УАСГ, 2022, с. 203 - 211.
Cvetkov, Vasil (2022)
Accumulation of the Discrepancies [D] along the Balkan Mountains Crossing Lines 26, 31,35,37 in the Third Levelling of Bulgaria,
София: УАСГ, с. 203 - 211