1. Boyle, R.W., 1979. The geochemistry of Au and its deposits (together with a chapter on geochemical prospecting for the element). Can. Geol. Surv. Bull. 280, 584 pp.
2. Enzyme-induced leaching of B-horizon soils for mineral exploration in areas of glacial overburden;Clark;Trans. Inst. Min. Metall. Sect. B, Appl. Earth Sci.,1993
3. Coker, W.B., 1996. President's message. Newsletter for the Association of Exploration Geochemists, Explore No. 92.
4. Coope, J.A., 1995. The Association of Exploration Geochemists: Past, Present and Future. Newsletter for the Association of Exploration Geochemists, Explore No. 88.
5. Selective leaches revisited, with emphasis on the amorphous Fe oxyhydroxide phase extraction;Hall;J. Geochem. Explor.,1996