Mineralogi︠i︡a pro︠i︡avleniĭ serebra v severo-vostochnoĭ chasti Baltiĭskogo shchita - Kalinin, A. A. (Akademi︠i︡a nauk SSSR, Kolʹskiĭ nauch. ︠t︡sentr, Geol. in-t, 1991)