To improve the accuracy of precision leveling, it is necessary to improve the methods of observation, the development of devices and devices to minimize a particular source of systematic nature of the action, in particular, the leveling errors caused by the instability of the altitude of the transition points (crutches, shoes) during work.
- Instrukcija po nivelirovaniju I, II, III i IV klassov. M., 1974.
- Nivelirovanie I i II klassov. M., 1982.
- Pavliv P. V., Pnevskij P. I. Issledovanie ustojchivosti kostylej korotkim vizirn'i luchem // Geodezija, kartografija i ajerofotosemka. 1983. Vyp. 37.