- 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.
Search results
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Extraction of tantalum and columbium from their ores ...Jenness, Leslie George, January 1930 (has links)
Thesis (Ph. D.)--Columbia University, 1930. / Vita.
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