Article Holmberg, Peter (2004)
The Physical Tourist: Physics in Helsinki. Physics in Perspective (p. 76). (/isis/citation/CBB000641761/) unapi

Book Hoffmann, Dieter; Bevilacqua, Fabio; Stuewer, Roger H. (1996)
The emergence of modern physics: Proceedings of a conference commemorating a century of physics, Berlin 22-24 March 1995. (/isis/citation/CBB000083087/) unapi

Article Holmberg, Peter (1996)
From dogmatic discussions to observations and planned experiments: Some examples from early Aurora Borealis research in Finland. Science and Education (pp. 267-276). (/isis/citation/CBB000069484/) unapi

Book Holmberg, Peter (1992)
The history of physics in Finland, 1828-1918. [Translated from the Swedish manuscript by Pearl Lonnfors]. (/isis/citation/CBB000028729/) unapi