Khimi︠i︡a i tekhnologi︠i︡a v︠i︡azhushchikh veshchestv : Kompleksnoe issledovanie mineralʹnogo syrʹ︠i︡a Kolʹskogo poluostrova - Tenner, D. D. (Nauka, Leningradskoe otdelenie, 1968)