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2
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5
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10
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11Published 1991“...HF 51.5 .W138...”
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13
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14Published 1980“...HF 51.5 .E96...”
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15Published 1957“...HC 621 .N532...”
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16Published 1986“...HF 4030.5 .A1 .N5325...”
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17
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18
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19
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20Published 1977“...HF 3966.5 .N532...”
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