TY  - BOOK
AU  - Jannach,Dietmar
TI  - Recommender systems: an introduction 
SN  - 9780521493369
PY  - 2011///
CY  - New York
PB  - Cambridge University Press
KW  - Personal communication service systems
KW  - Recommender systems (Information filtering)
N1  - Includes bibliographical references and index
ER  -