Ėlement 61, ego proshloe, nasto͡iashchee i budushchee
By: D.N. Trifonov
Series: Nauchno-popul͡iarna͡ia biblioteka Atomizdata
Publisher: Atomizdat
Published: 1960
Place of publication: Moskva]
Language: rus
Number of pages: 54
Subjects: Promethium
Other titles: Ėlement shestʹdes͡iat pervyĭ, ego proshloe, nasto͡iashchee i budushchee.