by R. J. Eden [and others] by H. W. Babel [and others] by R. K. Bhat [and others] by D. W. Turner [and others] by F. A. Holland [and others] by H. M. Randall [and others] by C. H. Bamford and others. by Charles S. Gray and others. by Arthur W. Lo and others. by Howard Becker [and others]