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21
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22
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23
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24Published 1978“...HD 6960.5 .A9 .A938...”
Conference Proceeding Book -
25Published 1970“...HD 6061 .S471 e...”
Conference Proceeding Book -
26
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27
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28Published 1982“...HD 8862 .T531...”
Book -
29
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30
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31
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32Published 1980“...HD 6331.2 .N5 .P963...”
Book -
33
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34
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35
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36Published 1986“...HD 6976 .T72 .N5 .I42...”
Book -
37
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38
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39Published 1986“...HD 6976 .T72 .N5 .I42...”
Book -
40Published 1987“...HD 6960.5 .A9 .A849...”
Conference Proceeding Book