RT Journal Article SR Electronic T1 Digital Word of Mouth And Its Offline Amplification JF Journal of Advertising Research JO J Advert Res FD WARC SP 18 OP 21 DO 10.2501/JAR-55-1-018-021 VO 55 IS 1 A1 Gian M. Fulgoni A1 Andrew Lipsman YR 2015 UL http://www.journalofadvertisingresearch.com/content/55/1/18.abstract AB