528.38.001.76:[528.54:681.3]

Geodesy
The technology of the precise leveling execution by the digital levels Ustavich G.A.	3-6

Geodesy
About perfection of technologies of levelling Ustavich G.A.	11–13

Geodesy
Elaboration and Perfecting of Technology for the State Levelling of the I, II, III and IV Classes (end) Ustavich G.A., Shaul'skii V.F., Vinokurova O.I.	5–11
Elaboration and Perfecting of the Technology of State Leveling of I, II, III and IV classes Ustavich G.A., Shaul'skii V.F., Vinokurova O.I.	10-15

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