Closed-loop supply chain network equilibrium under legislation. - David Hammond; Patrick Beullens (Eur. J. Oper. Res., 2007)

BodyGuard: A Case Study of Telecare Product Innovation and Development. - Andrea Taylor; Lorna Bernard; Hugh Pizey; Craig Whittet; Samantha Davies; David Hammond; Julian Edge (CHI Extended Abstracts, 2015)