Sreshti s prirodata.
Contributors: Stolichen t͡s︡entŭr "Zname na mira" (Bulgaria)
Edition: Vedomstveno izd.
Publisher: Stolichen t͡s︡entŭr "Zname na mira"
Published: 1986
Place of publication: [Sofia?]
Language: bul
Number of pages: 92
Notes: Bibliography: p. 91-92.