@article{IJAMCS_2001_11_3_a2,
     author = {Zhong, N. and Skowron, A.},
     title = {A {Rough} {Set-Based} {Knowledge} {Discovery} {Process}},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {603--619},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2001_11_3_a2/}
}