The Journal of Mathematical Behavior
The Journal of Mathematical Behavior > 2004 > 23 > 1 > 63-73
The Journal of Mathematical Behavior > 2004 > 23 > 1 > 21-36
The Journal of Mathematical Behavior > 2004 > 23 > 2 > 205-222
Journal of Mathematical Behavior > 2004 > 23 > 4 > 429-442