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23
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25
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26
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27
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28
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29
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31
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32
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33Published 1977“...QC 21.2 .P578...”
Book -
34Published 1985“...QC 702.7 .H42 .I064...”
Conference Proceeding Book -
35Published 1985“...QC 20.7 .G76 .A652...”
Conference Proceeding Book -
36
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40