@Incollection{, title = {Poincar{\'e}, geometry and topology}, series = {Publ. Henri-Poincar{\'e}-Arch.}, author = {Stillwell, John}, booktitle = {Henri Poincar{\'e}: science et philosophie (Nancy, 1994)}, year = {1996}, publisher = {Akademie Verlag, Berlin}, pages = {231{\textendash}240, 580} }