1. The skew-frequency curve of some ore minerals;Agterberg;Geol. Mijnbouw,1961
2. Statistical techniques for geological data;Agterberg;Tectonophysics,1964
3. The Lognormal Distribution;Aitchison,1957
4. Method of appraising economic aspects of mining exploration over large territories;Allais;Management Sci.,1957
5. Quality control of routine mine assaying and its influence on underground valuation;Coxon;J. S. African Inst. Mining Met.,1959