@inproceedings{iiasa4065,
       booktitle = {Proceedings of the 8th Banff Knowledge Acquisition for Knowledge-Based Systems Workshop (KAW'94), Vol. I},
          editor = {B.R. Gaines and M. Musen},
           title = {ALEX: An adaptive learning environment},
            year = {1994},
             url = {https://pure.iiasa.ac.at/id/eprint/4065/},
          author = {Winkelbauer, L.}
}