@book{19514, author = {Cordani, Bruno,}, title = {The Kepler problem :}, publisher = {Birkhäuser Verlag,}, year = {c2003.}, address = {Basel ;}, note = {"The accompanying CD contains mainly the Microsoft Windows program KEPLER which calculates the effects of any perturbation of the Kepler problem and plots the resulting trajectories"--P. [4] of cover.}, url = {http://www.loc.gov/catdir/enhancements/fy0812/2002038465-d.html} }