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1Publicerad 1985“...Westview Press,...”
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2
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3Publicerad 1989“...Westview Press,...”
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4Publicerad 1991“...Westview Press,...”
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5Publicerad 1990“...Westview Press,...”
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6
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7Publicerad 1994“...Westview Press,...”
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8
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9
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10Publicerad 1995“...Westview Press,...”
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11
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12Publicerad 1995“...Westview Press,...”
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13Publicerad 1992“...Campus Verlag ; Westview Press,...”
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14Publicerad 1991“...Campus Verlag ; Westview Press,...”
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