Ter-Grigorian, T. 1969 [Distribution of mealybugs (Pseudococcidae) in the life zones of Armenia.]. Anniversary of Armenian SSR Fauna. Presentation at 25th Anniversary of Armenian SSR Akad. Sci. Tezisy Dok. Erevan
Ter-Grigorian, T. 1969 [Distribution of mealybugs (Pseudococcidae) in the life zones of Armenia.]. Anniversary of Armenian SSR Fauna. Presentation at 25th Anniversary of Armenian SSR Akad. Sci. Tezisy Dok. Erevan