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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Daily rhythms of elongation and cell division in certain roots

Friesner, Ray Clarence, January 1920 (has links)
Thesis (Ph. D.)--University of Michigan, 1920. / "Reprinted from the American journal of botany, vol. VII, November, 1920." Includes bibliographical references (p. 404-406).
2

Daily rhythms of elongation and cell division in certain roots

Friesner, Ray Clarence, January 1920 (has links)
Thesis (Ph. D.)--University of Michigan, 1920. / "Reprinted from the American journal of botany, vol. VII, November, 1920." Includes bibliographical references (p. 404-406).

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