Editore: Moskva, Izd-vo Akadmii nauk SSSR, 1961
Da: Hammer Mountain Book Halls, ABAA, Schenectady, NY, U.S.A.
Hardcover. Backstrip sun-faded and the ghost of a strip of tape at top end; white discolored marks at outside edge of front cover; endpapers browned; penciled notation at bottom margin of p.26; otherwise very good condition. . 88p. Illus.