Marie Curie: Malsamoj inter versioj

<ref name="The Discovery of Radioactivity">[https://www2.lbl.gov/abc/wallchart/chapters/03/4.html "The Discovery of Radioactivity".] Lawrence Berkeley National Laboratory. 9a de aŭgusto 2000. Alirita la 15an de aprilo 2019. </ref>

<ref name="williams"> L. Pearce Williams (1986). "Curie, Pierre and Marie". [[Encyclopedia Americana]], vol. 8. Danbury, Connecticut: Grolier, Inc. pp. 331–332. </ref>

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