Nencheva, D. Developing new chrysanthemum cultivars by combining radiation mutagenesis and in vitro tissue techniques / D. Nencheva. — с.135-141. — Электрон. текстовые дан. // Izvestia of Timiryazev - Academy: Scientific-theoretical Journal of the Russian State Agrarian University - Moscow Agricultural Academy named after K.A. Timiryazev. – 2013. – Вып. special issue. — Коллекция: Журнал «Известия ТСХА». — http://elib.timacad.ru/dl/full/14-2013-eng.pdf. - Загл. с титул. экрана. — <URL:http://elib.timacad.ru/dl/full/14-2013-eng.pdf>.
| Period | Read | Copy | Open | Total | |
|---|---|---|---|---|---|
| Year 2017 | 11 | 0 | 9 | 0 | 20 |
| Year 2018 | 80 | 0 | 27 | 0 | 107 |
| Year 2019 | 27 | 0 | 28 | 0 | 55 |
| Year 2020 | 12 | 0 | 16 | 0 | 28 |
| Year 2021 | 26 | 0 | 18 | 0 | 44 |
| Year 2022 | 42 | 0 | 20 | 0 | 62 |
| Year 2023 | 32 | 0 | 26 | 0 | 58 |
| Year 2024 | 48 | 0 | 45 | 0 | 93 |
| Year 2025 | 205 | 0 | 95 | 0 | 300 |
| Year 2026 | 139 | 0 | 83 | 0 | 222 |
| Total | 622 | 0 | 367 | 0 | 989 |