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21
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22
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23Published 1986“...HD 1295 .N5 .C756...”
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24
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25
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26Published 1986“...HD 4903.5 .N5 .G946...”
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27
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28
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29
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30Published 1991“...HC 663.5 .I34...”
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31Published 1991“...HD 7288.85 .N5 .G946...”
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32
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33
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34
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35Published 1991“...HE 7480.7 .Z7 .T6 .T646...”
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36
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37
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38Published 1993“...HC 663.5 .R4344 1993...”
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39
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40