000 00357nam a2200121Ia 4500
008 241008s9999||||xx |||||||||||||| ||und||
020 _a9781107628366
100 _aJansen, Jim
_999894
245 0 _aUnderstanding Sponsored Search: Core Elements of Keyword Adveritising
260 _bCambridge University Press
_aU.S.A.
_c2011
300 _a277
942 _cBK
999 _c262434
_d262434