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1
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2Published 1991“...HQ 792 .N5 .P228...”
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3Published 1994“...HV 515.5 .W926...”
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4
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5
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6Published 1999“...HQ 799 .N52 .C5 .Y011 1999...”
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7
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8
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9Published 1996“...HQ 792 .N5 .W357 1996...”
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10Published 1999“...HQ 792 .N5 .C5363 1999...”
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11
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12
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13
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14Published 2012“...HQ 755.8 .G884 report 2...”
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15
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16
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17