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1.
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London : Longman, c1989.
Fourth edition.
Spanish | N 631 TAP.C |
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2.
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London : Longman, c1990.
First edition.
English | N 631 ROB.L |
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3.
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Sao Paulo : Julex Livros, 1988.
Spanish | N 631 CHA.S |
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4.
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Nashville : Vanderbilt University Press, 1989.
English | N 631 REI.C |
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5.
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Darmstadt : S. Toeche-Mittler, c1987.
German | N 631 KIL.S |
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6.
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Zürich : Schulthess, c1988.
German | N 631 RAU.U |
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7.
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Helsinki : Vapk Kampin Valtimo, 1988.
English | N 631 KOM.I |
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8.
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Buenos Aires : Ediciones Depalma, 1987.
Spanish | N 631 COR.D |
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9.
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Tucuman : Calai, 1987.
English | N 748 COR.P |
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10.
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New York : Wiley, c1986.
English | N 631 DAV.P |
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