Absorption and emission spectra of neodymium and erbium compounds : dissertation submitted
to the board of university studies of the Johns Hopkins University in coformity with
the requirements for the degree of doctor of philosophy/John Augustus Anderson, 1907
The absorption spectra of solutions of certain salts of cobalt, nickel, copper, iron,
chromium, neodymium, praseodymium, and erbium in water, methyl alcohol, ethyl alcohol,
and acetone, and in mixtures of water with the other solvents / By Harry C. Jones
and John A. Anderson. Washington, D.C. : Carnegie Institution of Washington, 1915
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