J. Dongarra, and V. Eijkhout. International Conference on Computational Science, volume 2660 of Lecture Notes in Computer Science, page 759-770. Springer, (2003)
J. Dongarra, S. Hammarling, and A. Petitet. Quality of Numerical Software, volume 76 of IFIP Conference Proceedings, page 236-248. Chapman & Hall, (1996)