%0 Journal Article %A Peter Bubenik %T Models and van Kampen theorems for directed homotopy theory %J Homology, homotopy, and applications %D 2009 %P 185-202 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4310/HHA.2009.v11.n1.a9/ %R 10.4310/HHA.2009.v11.n1.a9 %G en %F HHA_2009_11_1_a9