Online Books by
W. J. Niebuhr
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Niebuhr, W. J.: Smelting cement copper in an electric-arc furnace (Dept. of the Interior, Bureau of Mines, 1978), also by D. L. Paulson, R. F. Farrell, W. L. Hunter, and W. E. Anable (page images at HathiTrust)- Niebuhr, W. J.: X-ray spectrographic analysis for trace quantities of tantalum in columbium (U.S. Dept. of the Interior, Bureau of Mines, 1964), also by P. A. Romans and J. R. Hauger (page images at HathiTrust)
See also what's at your library, or elsewhere.
Help with reading books -- Report a bad link -- Suggest a new listing
Home -- Search -- New Listings -- Authors -- Titles -- Subjects -- Serials
Books -- News -- Features -- Archives -- The Inside Story
Edited by John Mark Ockerbloom (onlinebooks@pobox.upenn.edu)
OBP copyrights and licenses.