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21Published 1989“...QC 770 .I61 abv...”
Journal -
22
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23Published 1990“...QC 981.8 .C5 .C0958...”
Journal -
24
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25
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26
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27
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28Published 1964“...QC 482 .A244...”
Journal -
29
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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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35Published 1991“...QC 981.8 .C5 .C456...”
Journal -
36
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37
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38
-
39
-
40