Sergeev, V. I. (1971). Instrumentalʹna︠i︡a tochnostʹ kinematicheskikh i dinamicheskikh sistem. Nauka.
Lua i Stíl Chicago (17ú heag.)Sergeev, Vladimir Ivanovich. Instrumentalʹna︠i︡a Tochnostʹ Kinematicheskikh I Dinamicheskikh Sistem. Moskva: Nauka, 1971.
Lua MLA (8ú heag.)Sergeev, Vladimir Ivanovich. Instrumentalʹna︠i︡a Tochnostʹ Kinematicheskikh I Dinamicheskikh Sistem. Nauka, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.