Untersuchungen über die radioaktiven Substanzen by Marie Curie (source code)

= Untersuchungen über die radioaktiven Substanzen by Marie Curie
{c}
{tag=Work by Marie Curie}
{title2=third German edition 1904}

By <Marie Curie>; translated with bibliographical supplements by <Walter Kaufmann>. Third unchanged German edition, Friedrich Vieweg und Sohn, Braunschweig, 1904; French thesis, 1903.

https://www.gutenberg.org/files/37945/37945-h/37945-h.htm

Cited passage: chapter I(b), measurement of radiation intensity, Figures 1–3. Gutenberg release 2011 and update 2020 are digitization dates.