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1
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2
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3
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4Published 1979“...QP 121 .E93 r...”
Book -
5
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6
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7
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8Published 1989“...QP 121 .T255...”
Book -
9
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10Published 1959“...QP 187 .C726...”
Conference Proceeding Book -
11
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12
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13
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14Published 1993“...QP 121 .R4343...”
Book -
15Published 2005“...QP 145 .P578 2005...”
Book -
16
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17
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18Published 1993“...QP 121 .V567 1993...”
Book