Kompleksnoe osvoenie mineralʹnykh resursov Severa i Severo-Zapada SSSR (evropeĭska︠i︡a chastʹ) : materialy Vseso︠i︡uznogo soveshchani︠i︡a, 1-4 i︠i︡un︠i︡a 1989 g. - Chanturi︠i︡a, Valentin Alekseevich; Abramov, A. A. (Aleksandr Alekseevich); Shchip︠t︡sov, V. V. (Karelʹskiĭ nauch. ︠t︡sentr AN SSSR, 1990)