1. “Numerical Methods,”;Beale,1967
2. “Iterative Refinement of Linear Least Squares Solutions II,”;Björck;BIT,1968
3. “Iterative Refinement of Linear Least Squares Solutions by Householder Transformations,”;Björck;BIT,1967
4. “Solution of Vandermonde Systems of Equations,”;Björck,1970
5. “Complementary Pivot Theory of Mathematical Programming,”;Cottle,1968