@incollection{Heider:1999///2004///2004,
title = {Ding und Medium},
address = {Stuttgart},
author = {Fritz Heider},
crossref = {Pias:1999///2004///2004},
editor = {Claus Pias and Joseph Vogl and Lorenz Engell},
note = {in: Symposion,Heft 2 (1921),109-157; Wiederabdruck (gek{\"u}rzt) in: Lorenz Engell et al. (Hg.),Kursbuch Medienkultur,Stuttgart (DVA) 1999: 319-333},
pages = {319--333},
publisher = {DVA and Dt. Verl.-Anst.},
year = {1999 /// 2004 /// 2004},
isbn = {3-421-05310-3},
keywords = {Aufsatzsammlung Medienwissenschaft, }
}
::