R.A.Ixer and P.R.Duller. 1998. Virtual Atlas of Opaque and Ore Minerals in their Associations. CD-ROM. ConPal Laboratories. Birmingham.

R.A.Ixer and P.R.Duller. 1998. Virtual Atlas of Opaque and Ore Minerals in their Associations Website at SMENET

R.A. Ixer, 1990. Atlas of Opaque and Ore Minerals in their Associations. Open University Press 208 pp.

R.A.Ixer. 1986. Introduction to reflected light microscopy. Open University. Third level Summer School video programme. Running time 22 mins.