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