Orgtekhnika filatelii
By: M.N. Naumov.
Series: Biblioteka i͡u︡nogo filatelista ;; vyp. 2
Publisher: Svi͡a︡zʹ
Published: 1977
Place of publication: Moskva
Language: rus
Number of pages: 73
Subjects: Stamp collecting -- Soviet Union.
Notes: Bibliography: p. 69-[72]