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21
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22
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23Published 1994“...HQ 1190 .G325...”
Journal -
24
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25Published 1991“...HC 441 .A1 .A816...”
Journal -
26Published 1994“...HE 3550.5 .P751...”
Journal -
27
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28Published 1987“...HV 2350 .N0111...”
Journal -
29
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30Published 1974“...HB 3679 .N532 r...”
Journal -
31Published 1952“...HF 51.5 .N532 n...”
Journal -
32
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33
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34
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35
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36
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37
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38
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39Published 1990“...HJ 3689.5 .A1 .U72...”
Journal -
40