----- Original Message -----> Hi, Wanting to try out ODE Plane-2D (a 2D constraint for ODE), I found out that the directory where it was residing has vanished :-( http://www.mathematik.uni-bielefeld.de/~pserocka/ODE-Plane2D/ Does anyone happen to have a copy somewhere? <----- Original Message ----- Temporary problem, it's back!