The impact of scanners on employment in supermarkets: an update. - Bruce Gilchrist; Arlaana Shenkin (SIGCAS Comput. Soc., 1981)

The Impact of Scanners on Employment in Supermarkets. - Bruce Gilchrist; Arlaana Shenkin (Commun. ACM, 1982)

The impact of automation on employment: case study of a layoff from a Washington, D.C. newspaper. - Bruce Gilchrist; Arlaana Shenkin (SIGCAS Comput. Soc., 1982)