IN the issue of NATURE published on October 24 last (vol. cii., p. 155), there appeared an account of an ingenious chart devised by Mr. G. W. Littlehales, of the United States Hydrographic Department, ...
Author A.J. Cavallo nicely identified the uses, meanings, and limits of the bell-shaped curve for predicting oil production (OGJ, June 6, 2005, and June 13, 2005). I fully agree that the bell-curve ...