1. Agterberg, F. P., Bonham-Carter, G. F., and Wright, D. F., 1990, Statistical pattern integration for mineral exploration,in Gaal, G., and Merriam, D. F., eds., Computer applications in resource estimation. Prediction and assessment for metals and petroleum: Computers & Geology (Vol. 7): Pergamon Press, Oxford, p. 1–21.
2. Bonham-Carter, G. F., Agterberg, F. P., and Wright, D. F., 1990, Weights of evidence modelling: A new approach to mapping mineral potential: Geol. Survey Canada Paper 89–9, p. 171–191.
3. Brower, J. C., and Merriam, D. F., 1990, Geological map analysis and comparison by several multivariate algorithms: Geol. Survey Canada Paper 89–9, p. 123–134.
4. Central Kansas Cumulative Production, May 1990.
5. Davis, J. C., 1986, Statistics and data analysis in geology (2nd ed.): John Wiley & Sons. New York, 646 p.