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21Published 1981“...HD 9502 .N52 .G946...”
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22
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23
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24
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25Published 1975“...H 62.5 .N5 .S678...”
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26Published 1976“...HC 687 .P3 .R432...”
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27Published 1978“...H 62.5 .N5 .P963...”
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28Published 1982“...H 62.5 .N5 .U84...”
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29Published 1987“...H 62.5 .N5 .N532 .R425...”
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30Published 1985“...HD 9502 .N52 .E56...”
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31
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32
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33
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34
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35Published 1980“...HV 677 .N5 .A171...”
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36
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37Published 1984“...HN 930.5 .A7 .C456...”
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38
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39Published 1984“...H 62.5 .N5 .R425...”
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40