Algorithm 343: eigenvalues and eigenvectors of a real general matrix. - J. Grad; M. A. Brebner (Commun. ACM, 1968)

Matrix Balancing. - J. Grad (Comput. J., 1971)

LR algorithm with Laguerre shift for symmetric tridiagonal matrices. - J. Grad; E. Zakrajsek (Comput. J., 1972)