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21
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22
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23
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24
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25
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26Published 1998“...HC 665 .N934 1998...”
Book -
27
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28
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29
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30
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31
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32by Coleman, Andrew M. G. (Andrew Michael Guy), 1964-“...HC 670 .I5 .C692 2010...”
Published 2010
Book -
33Published 1981“...HB 1 .E19 n...”
Journal -
34
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35
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36Published 1972“...HG 5980.5 .A3 .N532 i 1972...”
Book -
37
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38
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39
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40