First published 1979 by M.E. Sharpe

Reissued 2018 by Routledge
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Copyright © 1979 by Taylor & Francis.

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Publisher’s Note
The publisher has gone to great lengths to ensure the quality of this reprint but points out that some imperfections in the original copies may be apparent.

Disclaimer
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A Library of Congress record exists under LC control number: 78073225

ISBN 13: 978-1-138-89676-5 (hbk)
ISBN 13: 978-1-138-89678-9 (pbk)
ISBN 13: 978-1-315-17904-9 (ebk)