%0 Journal Article %1 freudenthal1971gbd %A Freudenthal, H. %D 1971 %I Springer %J Educational Studies in Mathematics %K education geometry mathematics %N 3 %P 413--435 %T Geometry between the devil and the deep sea %U http://www.springerlink.com/index/T43797147N37R585.pdf %V 3

@article{freudenthal1971gbd, added-at = {2007-04-18T11:33:44.000+0200}, author = {Freudenthal, H.}, biburl = {https://www.bibsonomy.org/bibtex/2e5b6efa5be2945a086b33b7417d68a4f/rmosvold}, interhash = {b41a36386aac9eb3f2ed541cd1085123}, intrahash = {e5b6efa5be2945a086b33b7417d68a4f}, journal = {Educational Studies in Mathematics}, keywords = {education geometry mathematics}, number = 3, pages = {413--435}, publisher = {Springer}, timestamp = {2007-04-18T11:33:44.000+0200}, title = {Geometry between the devil and the deep sea}, url = {http://www.springerlink.com/index/T43797147N37R585.pdf}, volume = 3, year = 1971 }