@proceedings{SLKL09,  
editor =	 {Marc Spaniol and Qing Li and Ralf Klamma and Rynson Lau},  
title =	 {Advances in {W}eb {B}ased {L}earning -- {ICWL} 2009. Proceedings of the 8th {I}nternational {C}onference on {W}eb {B}ased {L}earning {(ICWL)}, {A}achen, {G}ermany, {A}ugust 19-21, 2009.},  
publisher =	 {Springer},  
year =	 2009,  
address =	 {Berlin Heidelberg}}