1. Lecture Notes in Math.;J Ławrynowicz,1985
2. ŁAWRYNOWICZ, J. and REMBIELIŃSKI: ‘Supercomplex vector spaces and spontaneous symmetry breaking’, in: Seminari di Geometria 1984, Università di Bologna, Bologna 1985, pp. 131–154.
3. KALINA, J., ŁAWRYNOWICZ, J., and SUZUKI, O.: ‘A field equation defined by a Hurwitz pair’, Suppl. Rend. Cire. Mat. Palermo (2) 9 (1985), 117–128.
4. GREUB, W. HALPERIN, S., and VANSTONE, R.: Connections, Curvature, and Cohomology, vol. I, Academic Press, 1972.
5. KANEMAKI, S.: ‘Cayley systems of Hermitian structures’, Colloquia Mathematica Societatis János Bolyai
31. Differential Geometry, ed. by G.Y. Sóos and J. Szenthe, North-Holland, 1982.