1. Alladi Ramakrishnan, L-Matrix Theory or Grammar of Dirac Matrices, Tata-McGraw Hill, NY, USA, 1972.
2. P. S. Chandrasekaran, Clifford Algebra, its Generalization, and their Applications to Symmetries and Relativistic Wave Equations, Ph.D. Thesis, University of Madras, 1971.
3. R. Jagannathan, Studies in Generalized Clifford Algebras, Generalized Clifford Groups, and their Physical Applications, Ph.D. Thesis, University of Madras, 1976.
4. M. Newman, Integral Matrices, Academic Press, New York, 1972.
5. Alladi Ramakrishnan and R. Jagannathan, Topics in Numerical Analysis - II, Ed. J. H. Miller, Academic Press, New York, p. 133, 1976.