- батарей до книг и мандаринов." Газета тракт, 15 Dec. 2020, gazetatrakt.ru/
verhnjaja-gutara-ot-solnechnyh-batarej-do-knig-i-mandarinov/.
Accessed 14 May 2024...
- six
expeditions followed, by SGS cavers, and
cavers from Pervouralsk,
Verhnjaja Pyšma, Perm, Kungur, Naberežnye Čelny, Tjumen, Čeljabinsk and Novosibirsk...