K.F. Zimmermann (K. F. Zimmermann / Zimmermann, K.F. / Zimmermann, K. F.)

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  Export Activity and Strategic Trade Policy
  by Klaus F. Zimmermann, Horst Krager
  Hardcover, Springer-Verlag, ISBN 3540549366 (3-540-54936-6)
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  How Labor Migrants Fare
  by K. F. Zimmermann, Amelie Constant
  Hardcover, Springer, ISBN 3540006656 (3-540-00665-6)
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  Output and Employment Fluctuations
  by K. F. Zimmermann
  Hardcover, Springer, ISBN 0387914781 (0-387-91478-1)