Ostorozhno, priroda!
By: A.I. Bezli︠u︡dov, A.A. Vakulin
Contributors: Vakulin, A. A. (Aleksandr Alekseevich)
Publisher: "Vysheĭshai︠a︡ shkola"
Published: 1978
Place of publication: Minsk
Language: rus
Number of pages: 180
Subjects: Environmental protection