1. Albrecht, J., 1994. Universal elementary GIS tasks – beyond low-level commands. In: Proceedings of the 6th Symposium of Spatial Data Handling, Edinburgh. pp. 209–222.
2. Albrecht, J., 1995. Semantic net of universal elementary GIS functions. In: Proceedings, 12th International Symposium on Computer-Assisted Cartography (Auto-Carto12), Charlotte, NC, pp. 232–241.
3. Universal GIS-Operations: A Task-Oriented Systematization of Data Structure-Independent GIS Functionality Leading Towards a Geographic Modeling Language;Albrecht,1996
4. Universal analytical GIS operations: A task-oriented systemati-zation of datastructure-independent GIS functionality. Geographic Information Research: Transatlantic Perspectives;Albrecht,1997
5. Towards an integrated GIS-based coastal forecast workflow;Allen;Concurrency and Computation: Practice & Experience,2008