[by] R. D. Thornton [and others] by D. W. Turner [and others] by R. K. Bhat [and others] by F. A. Holland [and others] by C. H. Bamford and others. by R. J. Eden [and others] by R. V. Ambartsumyan [and others. by H. M. Randall [and others] Shape of thought and others by H. W. Babel [and others]