a practical approach Cetron, Marvin J. creator text bibliography nyu New York Technology Forecasting Institute c1969 1969 monographic eng

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xxvi, 345 p. : ill. ; 24 cm. by Marvin J. Cetron. With a foreword by Ralph C. Lenz, Jr. and with a critical appraisal by Edward B. Roberts. Includes Bibliographies and index. Technological forecasting T174 .C47 600 CET 75086653 DLC 690924 20141230172255.0 4109349