00375nam a22000977a 4500008004100000040005500041080001700096245008400113260007000197300001000267240716b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 007.52bN0  aInformation processing and management of uncertainty in knowledge-based systems  aParis: bAuthors of Communications at the IPMU Conference, c1990  a497p.