1. Clifford W. K.: ?On the Classification of Geometric Algebras?, paper XLIII in R.Tucker (ed.), Mathematical Papers of W. K. Clifford, Chelsea, New York, 1968.
2. Cartan E.: Theory of Spinors, Dover, New York, 1966.
3. Brauer R. and Weyl H.: ?Spinors in n Dimensions?, Amer. J. Math. 57 (1935), 425?449.
4. Van derWaerden B. L.: Group Theory and Quantum Mechanics, Springer, Berlin, 1932, 1974.
5. Chevalley C.: The Algebraic Theory of Spinors, Columbia Univ. Press, New York, 1954.