Elektricheskie regulyatory promyshlennoi avtomatiki / E. K. Krug. - Moskva ; Leningrad : Gosenergoizdat, 1962. - 335 s. : chert.
Tsifrovye regulyatory / E. K. Krug, T. M. Aleksandridi, S. N. Diligenskii. - Moskva ; Leningrad : Energiya, 1966. - 504 s. : il.
Printsipy postroeniya odnokanalnykh tsifrovykh regulyatorov / E. K. Krug, S. N. Diligenskii. - Moskva : Sov. radio, 1969. - 224 s. : chert.; 20 sm. - (B-ka tekhnicheskoi kibernetiki).
Voprosy proektirovaniya spetsializirovannykh vychislitelnykh ustroistv / [D-r tekhn. nauk E. K. Krug, kand. tekhn. nauk E. I. Artamonov] ; In-t problem upravleniya. - Moskva : In-t problem upravleniya, 1974. - 70 s. : skhem.
A. I. Bardybakhin, E. K. Krug, “Load Control of Elastic Structures”, Avtomat. i Telemekh., 1997, no. 11, 13–21
1994
2.
E. K. Krug, “On the accuracy of the reproduction of control algorithms in analog-digital dynamical systems”, Avtomat. i Telemekh., 1994, no. 6, 34–43; Autom. Remote Control, 55:6 (1994), 798–805
1985
3.
E. K. Krug, “Resonance effects in asynchronous discrete systems of control of continuous dynamic plan”, Avtomat. i Telemekh., 1985, no. 11, 43–53; Autom. Remote Control, 46 (1985), 1381–1389
1979
4.
E. K. Krug, Yu. S. Legovich, Y. A. Fateeva, “Computer-aided study of interactive systems”, Avtomat. i Telemekh., 1979, no. 6, 181–192
1999
5.
N. G. Anisimova, E. K. Krug, “Computer-aided adjustment of control systems of the multivariable dynamic plants of one class in full-scale experiments”, Avtomat. i Telemekh., 1999, no. 7, 164–171; Autom. Remote Control, 60:7 (1999), 1039–1044
