edited by Robert Klanten ...[et al.] edited by Robert Klanten ... [et al.] [edited by Robert Klanten ... [et al.]] edited by Robert Klanten...[et al.] [edited by Robert Klanten ... [et al.] [edited by Robert Klanten ... et al. ; [edited by Robert Klanten ... et al.]. edited by Robert Klanten…[et al.] edited by Robert Jacobs ... [et al. edited by Robert S. Peterkin ... [et al.].