Gordon, Leonid Abramovich. Chelovek posle raboty : sotsyalnye problemy bayta i vnerabochego vremeni / Л. A. Лaричев. - Moskva : Prosveshchenie, 1966. - 368 p. ; 22cm. ISBN: ISBNRus4365 Subjects--Topical Terms: Algebra Dewey Class. No.: 331.110947 G656 Ch