1. Sample size and meaningful gold analysis;Clifton;U.S. Geol. Surv., Prof. Pap. 625-C,1969
2. Analytical Methods in Geochemical Prospecting;Fletcher,1981
3. Elimination of hydraulic effects in stream sediment data: behaviour of cassiterite in a Malaysian stream;Fletcher;J. Geochem. Explor.,1987
4. Sampling and analytical requirements for effective use of geochemistry in exploration for gold;Harris,1982
5. A proposed sampling constant for use in geochemical analysis;Ingamells;Talanta,1973