@article{TUW-291918, author = {Klettner, Silvia}, title = {Form Follows Content: An Empirical Study on Symbol-Content (In)Congruences in Thematic Maps}, journal = {ISPRS International Journal of Geo-Information}, year = {2020}, volume = {9}, number = {12}, doi = {10.3390/ijgi9120719}, keywords = {visual communication; cartography; congruence; semiotics; map symbolization} }