@inbook{d7a313d1efa6417d80e7fb3d37c270eb,
title = "Natural differentiation in mathematics - the NaDiMa project",
author = "Petra Scherer and G{\"u}nter Krauthausen",
year = "2010",
language = "English",
pages = "33--57",
editor = "{van Zanten}, {M. }",
booktitle = "Waardevol reken-wiskundeonderwijs - kenmerken van kwaliteit (Conferentiebundel 2010)",
publisher = "Panama/FIsme, UU",
}
