Vseso︠i︡uznoe soveshchanie po teoreticheskoĭ i prikladnoĭ akarologii Ashkhabad, Turkmenistan, Zoologi︠i︡a instituty (Turkmenistan SSR ylymlar akademi︠i︡asy), Zoologicheskiĭ institut (Akademi︠i︡a nauk SSSR), Vseso︠i︡uznoe ėntomologicheskoe obshchestvo, & Balashov, ︠. S. (1990). Shestoe Vseso︠i︡uznoe soveshchanie po problemam teoreticheskoĭ i prikladnoĭ akarologii (Ashkhabad, aprelʹ 1990 g.): Tezisy dokladov. Zoologicheskiĭ in-t AN SSSR.

Vseso︠i︡uznoe soveshchanie po teoreticheskoĭ i prikladnoĭ akarologii Ashkhabad, Turkmenistan, Zoologi︠i︡a instituty (Turkmenistan SSR ylymlar akademi︠i︡asy), Zoologicheskiĭ institut (Akademi︠i︡a nauk SSSR), Vseso︠i︡uznoe ėntomologicheskoe obshchestvo, and ︠I︡U. S. Balashov. Shestoe Vseso︠i︡uznoe Soveshchanie Po Problemam Teoreticheskoĭ I Prikladnoĭ Akarologii (Ashkhabad, Aprelʹ 1990 G.): Tezisy Dokladov. Leningrad: Zoologicheskiĭ in-t AN SSSR, 1990.

Vseso︠i︡uznoe soveshchanie po teoreticheskoĭ i prikladnoĭ akarologii Ashkhabad, Turkmenistan, et al. Shestoe Vseso︠i︡uznoe Soveshchanie Po Problemam Teoreticheskoĭ I Prikladnoĭ Akarologii (Ashkhabad, Aprelʹ 1990 G.): Tezisy Dokladov. Zoologicheskiĭ in-t AN SSSR, 1990.