Four Years of Labor Mobility. A Study of Labor Turnover in a Group of Selected Plants in Philadelphia 1921-1924 von The Industrial Research Department Wharton School of Finance and Commerce University of Pennsylvania, Bezanson, Anne, Hussey, Miriam, Willits, Joseph H., White, Leda F.

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Attendance in Four Textile Mills in Philadelphia by the Industrial Research Department Wharton School of Finance and Commerce University of Pennsylvania von Bezanson, Anne, Willits, Joseph H., Chalufour, France, White, Leda F.

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Supplement: Attendance in Four Textile Mills in Philadelphia von Wharton School of Finance and Commerce, Bezanson, Anne, Chalufour, France, Willits, Joseph H., White, Leda F.

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Animal cell electroporation and electrofusion protocols[] von Nickoloff, Jac A

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