Lviv Polytechnic National University; Samarkand State Architectural and Civil Engineering Institute
2
Lviv Politecnic National University
3
Lviv Polytechnic National University
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2. Izotov A. A., Pellinen L. P. Issledovanie zemnoj refrakcii i metodov geodezicheskogo nivelirovanija // Tr.CNIIGAiK, 1955. Vyp. 102. S. 7—15.