International Journal of Approximate Reasoning
International Journal of Approximate Reasoning > 2001 > 26 > 2 > 145-152
International Journal of Approximate Reasoning > 2001 > 26 > 2 > 101-127
International Journal of Approximate Reasoning > 2001 > 26 > 2 > 129-144
International Journal of Approximate Reasoning > 2001 > 26 > 2 > 67-100