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61
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62
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63
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64
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65Published 1966“...QC 994.9 .E96 1966...”
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66
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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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73
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74
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75Published 1980“...QC 994.9 .V985 1980...”
Conference Proceeding Book -
76Published 1967“...QC 971.7 .A6 .B429 1967...”
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77Published 1969“...QC 830 .A6 .B429 1969...”
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78
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79
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80