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21
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22Published 1983“...HG 930.5 .I61...”
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23
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24
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25
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26
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27
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28
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29Published 1985“...HC 605 .A691...”
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30
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31
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32
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33
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34
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35
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36Published 1987“...HD 73 .C783...”
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37
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38
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39
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40