Erland Jungert. Symbolic expressions within a spatial algebra: unification and impact upon spatial reasoning. In IEEE Workshop on Visual Languages, VL 1989, Rome, Italy, October 4-6, 1989. pages 157-162, IEEE Computer Society, 1989. [doi]
@inproceedings{Jungert89, title = {Symbolic expressions within a spatial algebra: unification and impact upon spatial reasoning}, author = {Erland Jungert}, year = {1989}, doi = {10.1109/WVL.1989.77058}, url = {http://dx.doi.org/10.1109/WVL.1989.77058}, researchr = {https://researchr.org/publication/Jungert89}, cites = {0}, citedby = {0}, pages = {157-162}, booktitle = {IEEE Workshop on Visual Languages, VL 1989, Rome, Italy, October 4-6, 1989}, publisher = {IEEE Computer Society}, isbn = {0-8186-2002-1}, }