00475nas a2200205   4500000000100000000000100001008004100002260002100043100002100064700001600085700001500101700001300116700001500129700001700144700001700161700001400178700001500192245004400207020001800251       2001                            d  bSpringeraBerlin1 aZdzisław Pawlak1 aJ.F. Peters1 aA. Skowron1 aZ. Suraj1 aS. Ramanna1 aM. Borkowski1 aM. Inuiguchi1 aS. Hirano1 aS. Tsumoto00aRough Set Theory and Granular computing  a3-540-00574-9