Number 3 / Fall 1980

Table of Contents

Research Contributions

On the Importance of Perspective
Harold E. Young
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143-143
William E. Johns, Ahmad Jahan-Latibari
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144-152
Howard N. Rosen
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153-171
T. C. Scheffer, R. Inwards
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172-174
Harold A. Stewart
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175-182
W. Simpson
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183-195
E. L. Schaffer, T. L. Wilkinson, B. G. Heebink
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196-210