Halberg S. Birth of the Sleepless Land: The Arrival of the Sugar Beet and Some Ethnological Observations on the Steam Plough and its Fossil Mode of Operation in Scandinavian Agriculture ca. 1880. EF [Internet]. 2023Jun.8 [cited 2024Jun.18];50(1):108-40. Available from: https://journal.fi/ethnolfenn/article/view/112816