[by] R. H. Boll [and others] [by] R.H. Boll [and others]. by R. K. Bhat [and others] by C. H. Bamford and others. by H. W. Babel [and others] by R. J. Eden [and others] by F. A. Holland [and others] by H. M. Randall [and others] by Stephen H. Cradall and others. by R. Nevanlinna [and others].