@book{ Solr-107197453X, title = {Briefe: 1629 - 1650}, author = {Descartes, René}, editor = {Bense, Max}, address = {Köln Krefeld}, publisher = {Staufen-Verlag}, year = {1949}, url = {http://www.gbv.de/dms/weimar/toc/123059089_toc.pdf} }