Тhe Baltic Fleet received four modern boats [online]. Ministry of Defence of the Russian Federation, rev. 2015-10-30 [cit. 2014-03-16]. Dostupné online. (anglicky)
navyrecognition.com
Keels of Two Project 23040G Survey Boats laid for Russian Navy [online]. Navyrecognition, rev. 2016-08-22 [cit. 2016-08-23]. Dostupné online. (anglicky)
Launched the second boat rescue ensure the project 23040 [online]. Encyclopedia of Safety [cit. 2014-03-16]. Dostupné v archivu pořízeném dne 2016-03-28. (anglicky)