Industrial Research Unit study
University of Pennsylvania Press
Recent Industrial Research Unit studies
by William N. Chernish
Univ. of Pennsylvania Press 1969 Industrial Research Unit study no. 45
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F. Marion Fletcher
University of Pennsylvania Press 1967 Industrial Research Unit study No. 43
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by Herbert R. Northrup and Gordon R. Storholm ; assisted by Paul A. Abodeely
University of Pennsylvania Press 1967 Industrial Research Unit study no. 44
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by George M. Parks ; with the assistance of J. Mason Brown, Jr. ... [et al.]
University of Pennsylvania, Wharton School of Finance and Commerce, Industrial Research Unit 1966 Industrial Research Unit study no. 41
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by Michael H. Moskow
University of Pennsylvania, Wharton School of Finance and Commerce, Industrial Research Unit 1966 Industrial Research Unit study no. 42
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