@BOOK { Rsds2348,
title = {Intelligent Decision Support - Handbook of Applications and Advances of the Rough Sets Theory}, 
series =  = {Theory and decision library. D: System theory, knowledge engineering and problem solving, Vol. 11}, 
publisher = {Kluwer Academic Publishers}, 
address = {Dordrecht, The Netherlands}, 
year = 1992, 
editor = {Slowinski, Roman W.}, 
url = {http://www.springer.de}, 
isbn = {0-7923-1923-0}, 
keywords = {intelligent decision support, information systems, rough sets, approximate reasoning, }, 
}