1. Zakharov V.A., Kolchuk S.P. Ustroystvo dlya vychisleniya dannykh dlya identifikatsii poyezdov v dvizhenii [The device for calculation the data for the identification of trains in motion], no. 4937555/11. 1993.
2. Borovkov Yu.G., Dudnichenko A.M., Perov A.N., Perov I.N. Ustroystvo dlya opredeleniya dliny vagonov [A device for determining the length of cars]. no. 3678439/27–11. 1985.
3. Popov O.S., Dolaberidze A.M., Untilov V.P., Voronko V.A., Kotelevets V.N., Yatsenko V.I. Ustroystvo dlya opredeleniya dliny ottsepov na sortirovochnoy gorke [A device for determining the length of cuts on the sorting yard], no.4428794/11.1991.
4. Gruzovyye vagony kolei 1520 mm zheleznykh dorog SSSR: albom [Freight cars of 1520 mm gauge of the USSR railways: the album]. Moscow, Transport Publ., 1989. 173 p.
5. Yegorov A.Ye., Azarov G.N., Koval A.V. Issledovaniye ustroystv i sistem avtomatiki metodom planirovaniya eksperimenta [Study of devices and systems of automation by means of experiment planning]. Kharkiv, Vyshcha shkola Publ., 1986. 240 p.