TY  - BOOK
AU  - Lu, Ruqian
AU  - Siekmann, J५rg H
AU  - Ullrich, Carsten
TI  - Cognitive systems [electronic resource]
SN  - 9783540709343
U1  - 006.312 
PY  - 2007///
CY  - Berlin
PB  - Heidelberg
N1  - http://dx.doi.org/10.1007/978-3-540-70934-3
ER  -