The influence explorer. - Lisa Tweedie; Robert Spence; Huw Dawkes; Hua Su (CHI 95 Conference Companion, 1995)

Visualization for functional design. - Robert Spence; Lisa Tweedie; Huw Dawkes; Hua Su (INFOVIS, 1995)

VICKI: the VIsualisation Construction KIt. - Huw Dawkes; Lisa Tweedie; Robert Spence (AVI, 1996)

Externalising Abstract Mathematical Models. - Lisa Tweedie; Robert Spence; Huw Dawkes; Hua Su (CHI, 1996)

The Influence Explorer (video) - a tool for design. - Lisa Tweedie; Bob Spence; Huw Dawkes; Hua Su (CHI Conference Companion, 1996)