by Christian Freksa and Holger Schultheis
Reference:
Christian Freksa and Holger Schultheis, "Three ways of using space", Chapter in Space in Mind: Concepts for Spatial Education (K. Grossner, D. Montello, D. Janelle, eds.), MIT Press, pp. 31-48, 2014.
Bibtex Entry:
@InCollection{freksa:14,
author = {Christian Freksa and Holger Schultheis},
pi = {Holger Schultheis},
title = {Three ways of using space},
editor = {K. Grossner and D. Montello and D. Janelle},
booktitle = {Space in Mind: Concepts for Spatial Education},
publisher = {MIT Press},
pdffile = {../pipubs/subprojects/P03/03-Freksa, Schultheis (Space).pdf},
pages = {31-48},
year ={2014}
}