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61
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62
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63by Shaffer, David R. (David Reed) 1946-
Published 2001Book -
64
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65
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66
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67
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68
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69
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70Book
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71by LeTendre, Gerald K.
Published 2000Book -
72
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73by Carr, Alan
Published 1999Book -
74
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75
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76
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77
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78
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79
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80