1. In the text, the years 1986, 1992, 1993 indicate proceedings of the workshops on Clifford algebras held in Canterbury, Montpellier and Gent.
2. R. Abłamowicz: 1983, ‘Indecomposable representations of degenerate Clifford algebras’, Thesis, Southern Illinois University, Carbondale.
3. R. Abłamowicz, P. Lounesto, J. Maks: 1991, ‘Conference Report, Second Workshop on ‘Clifford Algebras and Their Applications in Mathematical Physics,’ Université des Sciences et Techniques du Languedoc, Montpellier, France, 1989’, Found. Phys. 21, 735–748.
4. L. Ahlfors, P. Lounesto: 1989, ‘Some remarks on Clifford algebras’, Complex Variables, Theory and Application 12, 201–209.
5. M.F. Atiyah, R. Bott, A. Shapiro: 1964, ‘Clifford modules’, Topology 3, suppl. 1, 3–38. Reprinted in R. Bott: Lectures on K(X). Benjamin, New York, 1969, pp. 143–178. Reprinted in Michael Atiyah: Collected Works, Vol. 2. Clarendon Press, Oxford, 1988, pp. 301–336.