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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

A study of the cracking of the tar vapors and of the gas from the low temperature carbonization of coal ...

Crawford, Thomas Stephen, January 1931 (has links)
Thesis (Ph. D.)--Columbia University, 1931. / Vita. "Authorized preprint from copyrighted articles in Gas age-record, volume 68, numbers 5, 6, and 7, August 1, 8, and 15, 1931." Bibliography: p. 35.

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