@incollection{UnzWallachHenssetal., author = {Unz, Dagmar and Wallach, D. and Henss, R. and Egler, R. and Tack, W.H.}, title = {Design and Implementation of a Representation System for Human Knowledge}, series = {The Cognitive Psychology of Knowledge}, booktitle = {The Cognitive Psychology of Knowledge}, editor = {Strube, G. and Wender, K.F.}, publisher = {Elsevier Science}, pages = {351 -- 366}, language = {en} }