Lindkvist T. Nils Hybel: Crisis or Change. The Concept of Crisis in the Light of Agrarian Structural Reorganization in Late Medieval England, Aarhus University Press 1989, 333 s. ht [Internet]. 1. januar 1991 [henvist 24. april 2024];15. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/53377