RT Journal Article SR Electronic T1 Who Owns Metrics? JF Journal of Advertising Research JO J Advert Res FD WARC SP 401 OP 403 DO 10.2501/S0021849909091028 VO 49 IS 4 A1 Benjamin Edelman YR 2009 UL http://www.journalofadvertisingresearch.com/content/49/4/401.abstract AB