Leonard M. Wapner - Unexpected Expectations: The Curiosities of a Mathematical Crystal Ball Published: 2012-06-04 | ISBN: 1568817215 | PDF | 220 pages | 3 MB
Heinz Steinbring - The Construction of New Mathematical Knowledge in Classroom Interaction: An Epistemological Perspective Published: 2005-04-18 | ISBN: 0387242511 | PDF | 236 pages | 49 MB