Kli͡u︡chi k chistomu vozdukhu
By: A.V. Primak, A.N. Shcherbanʹ.
Contributors: Shcherbanʹ, Aleksandr Nazarʹevich.
Series: Nauchno-populi͡a︡rnai͡a︡ literatura; Nauchno-populi͡a︡rnai͡a︡ literatura ("Naukova dumka" (Firm))
Publisher: Nauk. dumka
Published: 1986
Place of publication: Kiev
Language: rus
Number of pages: 125
Subjects: Air -- Pollution.