@article{DaesslerKnauerLochteretal., author = {D{\"a}ßler, Rolf and Knauer, Sven and Lochter, Frank and Palm, Hartmut}, title = {Im Flug}, series = {ix: Multiuser Multitasking Magazin}, journal = {ix: Multiuser Multitasking Magazin}, number = {11}, publisher = {Heise}, address = {Hannover}, issn = {0935-9680}, pages = {134 -- 143}, subject = {Information Retrieval}, language = {de} } @book{DaesslerPalm, author = {D{\"a}ßler, Rolf and Palm, Hartmut}, title = {Virtuelle Informationsr{\"a}ume mit VRML}, publisher = {dpunkt}, address = {Heidelberg}, isbn = {3-920993-78-0}, pages = {311}, subject = {Informationstheorie}, language = {de} }