ritz.ps =   T. A. Manteuffel and  J.S. Otto,
            ``On the Roots of the Orthogonal Polynomials and Residual 
            Polynomials Associated with a Conjugate Gradient Method,''
            Journal of Numerical Linear Algebra, Vol. 1 (5), 
            pp 449-475, (1994)


qmr.ps =     T. Barth and T. A. Manteuffel,
             ``Estimating the Spectrum of a Matrix Using the Roots 
             of the Polynomials Associated with the QMR Iteration'', 
             Center for Computational Mathematics Report, 
             University of Colorado at Denver, March, 1993.

vmcg.ps =    T. Barth and T. A. Manteuffel,
            ``Variable Metric Conjugate Gradient Methods'',
             Proceedings of the 10th International Symposium on
             Matrix Analysis and Parallel Computing, Keio University,
             Yokohama, Japan, March 14-16, 1994.


mrcg.ps =    T. Barth and T. A. Manteuffel,
             ``Conjugate Gradient Algorithms  Using Multiple
             Recursions'', Proceedings of the Workshop on Conjugate 
             Gradient Methods, 
             University of Washington, Seattle, WA, July 9-14, 1995.


kstep.ps  =  T. A. Manteuffel, G. Starke and R. S. Varga,
             ``Adaptive $K$-step Iterative Methods for Nonsymmetric
             Systems of Linear Equations'',  
             Electr. Trans. Numer. Anal., Vol. 3, pp 50-65, (1995).


psi-phi.ps =  V. Faber, W. Joubert, E. Knill and T. A. Manteuffel,
              ``Minimal Residual Method Stronger Than Polynomial  
              Preconditioning'',
              (to appear) SIAM J. Mat. Anal., Vol. 17, No. 4 (1996).

hybrid.ps = T. A. Manteuffel and G. Starke
            ``On Hybrid Iterative Methods for Nonsymmetric Systems 
             of Linear  Equations'',  
             (to appear)  Numerische Math.,(1996).