TY  - BOOK
AU  - Jansen,Jim
TI  - Understanding sponsored search: core elements of keyword advertising 
SN  - 9781107011977 (hbk.)
PY  - 2011///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Internet advertising
KW  - Internet searching
KW  - Keyword searching
KW  - Search engines
N1  - Includes bibliographical references and index
ER  -