Ėnt︠s︡iklopedii︠a︡ chudes
Publisher: Znanie
Published: 1968
Place of publication: Moskva
Language: rus
Notes: At head of title, v. 1- : Vladimir Mezent︠s︡ev.
Table of contents: title: kn. 1. Obychnoe v neobychnom.; title: kn. 2. Zagadki zhivoǐ prirody.