@Book{, title = {La correspondance entre Henri Poincar{\'e} et les physiciens, chimistes et ing{\'e}nieurs}, series = {Publications des Archives Henri-Poincar{\'e}. [Publications of the Henri Poincar{\'e} Archives]}, author = {Walter, Scott and Bolmont, {\'E}tienne and Coret, Andr{\'e} {\'e}diteurs.}, year = {2007}, publisher = {Birkh{\"a}user Verlag, Basel}, isbn = {978-3-7643-7136-4} }