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61
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62Published 1971“...QC 176.8 .O6 .S989...”
Conference Proceeding Book -
63
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64
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65
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66Published 1995“...QC 793.5 .P627 .I61...”
Conference Proceeding Book -
67
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68
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69
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70
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71
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72
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73Published 1998“...QC 176.8 .O6 .M654...”
Book -
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