Media type: E-Article Title: Rough Sets and Knowledge Technology: Axiomatic Systems of Generalized Rough Sets Contributor: Zhu, William; Wang, Feiyue Published: Springer Berlin Heidelberg, 2006 Published in: Rough Sets and Knowledge Technology (2006), Seite 216-221 Language: Not determined DOI: 10.1007/11795131_31 ISBN: 9783540362975; 9783540362999 ISSN: 1611-3349; 0302-9743 Origination: Footnote: