His True BASIC by prob. solving, c1988: CIP t.p. (Brian D. Hahn) t.p. verso (Dr. Brian D. Hahn, Dept. of Applied Math., Univ. of Cape Town)

Essential MATLAB for engineers and scientists, c2010: t.p. (Brian H. [i.e. Brian D.] Hahn) p. xvii (late Brian D. Hahn)

Dept. of Mathematics and Applied Mathematics, Univ. of Cape Town website, viewed Feb. 12, 2010 (Brian D. Hahn, Assoc. Prof., Dept. of Mathematics & Applied Mathematics, Univ. of Cape Town; b. Nov. 21, 1946 Cape Town; BSc (Applied Mathematics & Physics) Cape Town,1968; BSc (Theoretical Physics) Cape Town, 1969; PhD Cantab 1973 (Optimisation of scattering amplitues [sic])