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Perspectives in Science > 2016 > 10 > C > 19-27
Perspectives in Science > 2016 > 10 > C > 28-45
Journal of Mathematical Behavior > 2005 > 24 > 3-4 > 325-340
Journal of Mathematical Behavior > 2001 > 20 > 2 > 187-205
Perspectives in Science > 2016 > 10 > C > 19-27
Perspectives in Science > 2016 > 10 > C > 28-45
Journal of Mathematical Behavior > 2005 > 24 > 3-4 > 325-340
Journal of Mathematical Behavior > 2001 > 20 > 2 > 187-205