@article{Carr_1979, title={The regional problem in Spain}, volume={94}, url={https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102301}, DOI={10.18352/bmgn-lchr.2125}, number={3}, journal={BMGN - Low Countries Historical Review}, author={Carr, R.}, year={1979}, month={Jan.}, pages={639–659} }