Institut khimii i tekhnologii redkikh ėlementov i mineralʹnogo syrʹ︠i︡a (Akademi︠i︡a nauk SSSR) & Afanasʹev, A. P. (1988). Tekhnogennoe i mineralʹnoe syrʹe v proizvodstve stroitelʹnykh i tekhnicheskikh materialov: Sbornik nauchnykh trudov. "Nauka," Leningradskoe otd-nie.
Παραπομπή σε μορφή Chicago (17η εκδ.)Institut khimii i tekhnologii redkikh ėlementov i mineralʹnogo syrʹ︠i︡a (Akademi︠i︡a nauk SSSR) και Aleksandr Petrovich Afanasʹev. Tekhnogennoe I Mineralʹnoe Syrʹe V Proizvodstve Stroitelʹnykh I Tekhnicheskikh Materialov: Sbornik Nauchnykh Trudov. Leningrad: "Nauka," Leningradskoe otd-nie, 1988.
Παραπομπή σε μορφή MLA (8th εκδ.)Institut khimii i tekhnologii redkikh ėlementov i mineralʹnogo syrʹ︠i︡a (Akademi︠i︡a nauk SSSR) και Aleksandr Petrovich Afanasʹev. Tekhnogennoe I Mineralʹnoe Syrʹe V Proizvodstve Stroitelʹnykh I Tekhnicheskikh Materialov: Sbornik Nauchnykh Trudov. "Nauka," Leningradskoe otd-nie, 1988.