1. FMSM, Federal Ministry of Solid Minerals Development – an inventory of solid mineral potentials of Nigeria, A Publication of Federal Government of Nigeria, Abuja, Nigeria, 1999.
2. W.O. Siyanbola, Thermoluminescence of zircon. M.Sc. Thesis, University of Sussex, UK, Unpublished.
3. Electron and hole centres produced in zircon by X-irradiation at room temperature
4. TL spectra of natural zircons
5. Reviews in mineralogy;Speer,1982