Elan tundes, et vastutan
By: kujundanud Helmut Polberg ; koostanud Linda Ruud
Publisher: "Eesti Raamat"
Published: 1982
Place of publication: Tallinn
Language: est
Number of pages: 51
Other titles: Znai︠u︡ i︠a︡, chto derzhu otvet.
Notes: Title in colophon: Znai︠u︡ i︠a︡, chto derzhu otvet.