Bild, Tage. “Rolf Torstendahl: Dispersion of Engineers in a Transitional Society. Swedish Technicians 1860-1940. Studia Historica Upsaliensia 73. Uppsala 1975. 312 Sider”. Historisk Tidsskrift 13 (januar 1, 1978). Set december 5, 2025. https://tidsskrift.dk/historisktidsskrift/article/view/52036.