TY - BOOK AU - Drucker,Peter F. TI - The age of discontinuity: guidelines to our changing society, AV - HC 59 .D69 PY - 1969///] CY - New York PB - Harper & Row KW - Economic history KW - 1945-1971 KW - Social history KW - 1945- N1 - Bibliographical footnotes ER -