Karsten Poeck Dieter Fensel Dieter Landes Jürgen Angele Combining KARL and CRLM for designing vertical transportation systems. 435-467 1996 44 Int. J. Hum.-Comput. Stud. 3-4 http://dx.doi.org/10.1006/ijhc.1996.0021 db/journals/ijmms/ijmms44.html#PoeckFLA96