[sponsored by] EUREL ... [et al.] ; edited by E. Lauger and J. Moltoft. F. L. Bauer ... [et al.] ; edited by F. L. Bauer and M. Broy. F. L. Bauer ... [et al.] ; edited by F. L. Bauer and K. Samelson. with contributions by G. Alefeld ... [et al.] ; edited by G. Alefeld and J. Volkl. sponsored by Princeton University ... [et al.] ; edited by Sun-Yuan Kung ... [et al.]