Establishing user-centered criteria for information systems: A software ergonomics perspective. - Diana L. Knittle; Stephen R. Ruth; Ella P. Gardner (Inf. Manag., 1986)

Examining the problems of computer-based anxiety: a systemic approach. - Stephen R. Ruth; Ella P. Gardner; Barry Render (ACM Conference on Computer Science, 1987)

Examining the Silent Majority: A Current Perspective on Predictive Variables Associated with Managerial and Clerical ADP Users. - Stephen R. Ruth; Ella P. Gardner (HCI (1), 1987)

Guidelines for OSI NSAP Allocation in the Internet. - Richard Colella; Ella P. Gardner; Ross W. Callon (RFC, 1991)

Guidelines for OSI NSAP Allocation in the Internet. - Richard Colella; Ross W. Callon; Ella P. Gardner; Yakov Rekhter (RFC, 1994)