[edited by] W. M. vanCleemput. edited by W. T. Singleton. edited by P. W. J. van Rensburg. W. M. vanCleemput. edited by W. B. Paterson. edited by A. O. Barut. edited by M. M. Yeoman. edited by M. W. Ranney. edited by W. E. Gardner. edited by A.O. Barut.