edited by Walter P. Unger ... [et al.]. edited by Walter C. Michels ...[et al.]. edited by Walter Santos ... [et al.] edited by Walter Santos ... [et al.]. edited by Walter W. Holland ...[et al.]. edited by Walter W. Holland ...[et al.] edited by James P. Karr ... [et al.]. edited by Pascal Granger ... [et al.]. edited by Peter Reimer ... [et al.]. edited by S. F. Singer ...[et al.].