@inproceedings{3a8a3963e0e14c7b9ed2eb70b5bf983d,
title = "Sensible mathematics: sense making of trigonometric relationships in the context of lesson study",
keywords = "METIS-299326",
author = "Verhoef, {Neeltje Cornelia} and D.O. Tall",
year = "2013",
month = jul,
day = "28",
language = "English",
pages = "--",
booktitle = "Unknown",
note = "37th Conference of the International Group for the Psychology of Mathematics Education (PME 37), “Mathematics Learning Across the Life Span” Kiel, July 28 to August 2, 2013 ; Conference date: 28-07-2013 Through 02-08-2013",
}