@article{Mørch_1986, title={A.G. Hodgkiss and A.F. Tatham: Keyguide to information sources in cartography.}, volume={86}, url={https://tidsskrift.dk/geografisktidsskrift/article/view/44376}, journal={Geografisk Tidsskrift}, author={Mørch, Henning}, year={1986}, month={jan.} }