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121
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122
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123
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124
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125Published 1977“...QC 20.7 .P3 .C748...”
Conference Proceeding Book -
126
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127
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128Published 1976“...QC 173.59 .S65 .C744...”
Book -
129
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130
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131
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132
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133
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134Published 1980“...QC 173.6 .G326...”
Book -
135
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136
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137
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138
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139
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140