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1
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2
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3
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4
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5
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6
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7Published 1992“...HF 1591 .D997...”
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8Published 1991“...HD 75 .E197...”
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9
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10Published 1969“...HC 412 .G617...”
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11
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12
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13
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14Published 1999“...HB 3812 .S727...”
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15Published 1996“...HC 444 .E19...”
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16
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17Published 1995“...HC 441 .S617...”
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19
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20