contributions by Simon Castets ... [et al.] contributions by Simon Castets ... [et al. contributions by Alyson Baker ... [et al. contributions by Julie Barten ... [et al. contributions by Tim Benton ... [et al. contributions by Dirk Snauwaert ... [et al. contributions by Dirk Snauwaert ... [et al.]. contributions by Jill Gasparina...[et al.] contributions by Mieke Albers...[et al. contributions by George Hargreaves ... [et al.]