81
Published [1980]

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82
83
Published [1982]

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84
Published [1981]

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85
86
Published [1982]

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87
88
89
Published [1983?]

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90
91
Published [1981]

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94
by Plummer, James R.,
Published 1982]

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95
96
by Plummer, James R.,
Published 1982 Mar. 31.

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97
98
99
100