RT Journal Article SR Electronic T1 Cross-Device and Cross-Channel Identity Measurement Issues and Guidelines JF Journal of Advertising Research JO J Advert Res FD WARC SP 109 OP 117 DO 10.2501/JAR-2017-008 VO 57 IS 1 A1 Evan Neufeld YR 2017 UL http://www.journalofadvertisingresearch.com/content/57/1/109.abstract AB