The Journal of Mathematical Behavior
Journal of Mathematical Behavior > 2001 > 20 > 2 > 229-245
Journal of Mathematical Behavior > 2001 > 20 > 3 > 363-411
Journal of Mathematical Behavior > 2002 > 21 > 3 > 319-337
Journal of Mathematical Behavior > 2002 > 21 > 3 > 339-355
Journal of Mathematical Behavior > 2005 > 24 > 2 > 109-124
Journal of Mathematical Behavior > 2007 > 26 > 2 > 178-188