Boulding, Kenneth Ewart, 1910- The meaning of the twentieth century : the great transition / Kenneth E. Boulding. - New York ; Evanston : Harper & Row, 1964. - 199 p. ; 20 cm. - World perspectives; 34 . Subjects--Topical Terms: Civilización moderna - 1950- Dewey Class. No.: 301.24 B763m