%0 Book %1 freudenthal1978was %A Freudenthal, H. %D 1978 %I Springer %K MathematicsEducation education mathematics %T Weeding and Sowing: Preface to a Science of Mathematical Education %U http://books.google.com/books?hl=no&lr=&id=U0JAirs4F-UC&oi=fnd&pg=PR5&dq=forfatter:H+forfatter:Freudenthal&ots=Hf0-OIF6Uk&sig=PEpkKs1vJhh04fJA-l23BHl_tIY

@book{freudenthal1978was, added-at = {2007-04-18T11:31:49.000+0200}, author = {Freudenthal, H.}, biburl = {https://www.bibsonomy.org/bibtex/20a70db34510dda26717789d696ff52f4/rmosvold}, interhash = {d430354afeae34a352777f34fe889cbe}, intrahash = {0a70db34510dda26717789d696ff52f4}, keywords = {MathematicsEducation education mathematics}, publisher = {Springer}, timestamp = {2007-04-18T11:31:49.000+0200}, title = {Weeding and Sowing: Preface to a Science of Mathematical Education}, url = {http://books.google.com/books?hl=no&lr=&id=U0JAirs4F-UC&oi=fnd&pg=PR5&dq=forfatter:H+forfatter:Freudenthal&ots=Hf0-OIF6Uk&sig=PEpkKs1vJhh04fJA-l23BHl_tIY}, year = 1978 }