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21
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22Published 1994“...H 62.5 .N5 .F494...”
Book -
23Published 1978“...H 62.5 .O3 .P222...”
Conference Proceeding Book -
24
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25
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26Published 1987“...H 62.5 .N5 .S986...”
Conference Proceeding Book -
27
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28Published 1995“...H 62.5 .N5 .D767...”
Book -
29
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30
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31
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32Published 1999“...H 62.5 .N5 .S6786 1999...”
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33Published 1977“...H 62.5 .N5 .S6788 1977...”
Book -
34
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35
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36
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37
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38Published 1981“...H 62 .A3 .S678...”
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39Published 1999“...HC 670 .E5 .F721 1999...”
Book -
40