The Paradox of the Heap of Grains in Respect to Roughness, Fuzziness and Negligibility.

Solomon Marcus The Paradox of the Heap of Grains in Respect to Roughness, Fuzziness and Negligibility. 19-23 1998 conf/rsctc/1998 Rough Sets and Current Trends in Computing http://link.springer.de/link/service/series/0558/bibs/1424/14240019.htm db/conf/rsctc/rsctc1998.html#Marcus98