The Journal of Mathematical Behavior
The Journal of Mathematical Behavior > 2004 > 23 > 2 > 135-167
The Journal of Mathematical Behavior > 2004 > 23 > 2 > 205-222
The Journal of Mathematical Behavior > 2004 > 23 > 2 > 183-203
The Journal of Mathematical Behavior > 2004 > 23 > 2 > 169-182
The Journal of Mathematical Behavior > 2004 > 23 > 2 > 115-133
The Journal of Mathematical Behavior > 2004 > 23 > 2 > 223-256